DAYS 1-5 (AUGUST 25-29)

High pressure hangs on with fair weather today and while a trough approaches from the north and west we will see more clouds later on. Shower activity is expected to remain north and west of the region though. But that changes in a small way tonight when one can wander down as the trough gets closer, and Monday we pop several showers and storms during the day, especially in the afternoon to early evening from north to south, as the low pressure trough passes by. I’ve shifted Tuesday to a drier forecast with a sliver of high pressure in control. Earlier I had pop up showers possible here but that does not look to be the case now. It is Wednesday when the shower and thunderstorm chance returns as we get a shot of warmer air and a frontal boundary approaches. Another high pressure area builds in Thursday with fair weather returning.

TODAY: Lots of sun much of the time, more clouds and less sun later on. Highs 80-87. Dew point near 60. Wind SW up to 10 MPH.

TONIGHT: Variably cloudy. A possible shower overnight. Patchy fog. Lows 61-68. Dew point 60+. Wind S up to 10 MPH.

MONDAY: Variably cloudy. Potential showers and thunderstorms especially during the mid to late afternoon and evening hours. Highs 75-82. Dew point near 65. Wind S 5-15 MPH shifting to W.

MONDAY NIGHT: Variably cloudy. Possible showers and thunderstorms early, especially south of I-90. Patchy fog. Lows 61-68. Dew point 60+. Wind W up to 10 MPH shifting to N.

TUESDAY: Partly cloudy. Highs 71-78. Dew point near to a little under 60. Wind N up to 10 MPH shifting to E.

TUESDAY NIGHT: Partly cloudy. Patchy fog. Lows 60-67. Dew point near 60. Wind variable under 10 MPH.

WEDNESDAY: Variably cloudy. Chance of showers and thunderstorms. Highs 80-87. Dew point 60+. Wind SW 5-15 MPH.

WEDNESDAY NIGHT: Variably cloudy. Chance of showers and thunderstorms in the evening. Patchy fog. Lows 56-63. Dew point around to below 60. Wind NW 5-15 MPH.

THURSDAY: Partly cloudy. Highs 70-77. Wind N up to 10 MPH shifting to E.

DAYS 6-10 (AUGUST 30 – SEPTEMBER 3)

Labor Day Weekend is August 31 through September 2, and this 5-day period covers anybody extending it a day (or 2) on either side. Pattern looks generally dry but a frontal boundary may be crossing the region to start the period with a shower threat, delivering a pleasant air mass to start the weekend, followed by a trend to warmer and slightly more humid weather.

DAYS 11-15 (SEPTEMBER 4-8)

An unsettled interlude around mid period in an otherwise fairly quiet pattern with near to slightly above normal temperatures.

DAYS 1-5 (AUGUST 24-28)

High pressure will provide generally fair weather through the weekend. A weak mid level disturbance will move by later today and tonight with a few more clouds, and another trough will approach later Sunday with an increase in clouds, but I expect any showers that pop up on Sunday afternoon will remain to the west and north of the WHW forecast area. Monday’s weather will be unsettled as a low pressure trough moves through, triggering scattered showers and thunderstorms, especially during the later afternoon and evening hours. When we get to Tuesday and Wednesday, the medium range guidance shows a spread of potential solutions with various weather outcomes ranging from fair to showery. Currently, my thought is that a weak upper low will hang around the region with a pop up shower possible either day, and air temperature will be dictated by surface air flow, which looks mostly regionally onshore Tuesday and more offshore Wednesday, making Tuesday the cooler day and Wednesday a warmer one. But at days 4 and 5 and with such a spread across guidance, the forecast that follows is lower than average confidence and I’ll fine-tune this section of it in the next couple of blog posts…

TODAY: Sunny morning. Partly cloudy afternoon. Highs 79-86. Dew point near 55. Wind variable to W up to 10 MPH.

TONIGHT: Partly cloudy. Lows 57-65. Dew point near 55. Wind SW under 10 MPH.

SUNDAY: Sun/cloud mix with a tendency for more clouds later in the day. Highs 80-87. Dew point near 60. Wind SW up to 10 MPH.

SUNDAY NIGHT: Variably cloudy. A possible shower overnight. Patchy fog. Lows 61-68. Dew point 60+. Wind S up to 10 MPH.

MONDAY: Variably cloudy. Potential showers and thunderstorms especially during the mid to late afternoon and evening hours. Highs 75-82. Dew point near 65. Wind S 5-15 MPH shifting to W.

MONDAY NIGHT: Variably cloudy. Possible showers and thunderstorms early. Patchy fog. Lows 61-68. Dew point 60+. Wind W up to 10 MPH shifting to N.

TUESDAY: Partly sunny. Chance of a shower. Highs 73-80. Dew point near 60. Wind N up to 10 MPH shifting to E.

TUESDAY NIGHT: Partly cloudy. Patchy fog. Lows 60-67. Dew point near 60. Wind variable under 10 MPH.

WEDNESDAY: Partly sunny. Slight chance of a shower. Highs 80-87. Dew point near 60. Wind variable to W up to 10 MPH.

DAYS 6-10 (AUGUST 29 – SEPTEMBER 2)

Fairly quiet pattern overall but a passing frontal system later August 30 or early August 31 can produce a shower threat, and an approaching frontal system may do the same at the end of the period. Labor Day Weekend is August 31 through September 2. No significant temperature extremes.

DAYS 11-15 (SEPTEMBER 3-7)

An unsettled interlude around mid period in an otherwise fairly quiet pattern with near to slightly above normal temperatures.

DAYS 1-5 (AUGUST 23-27)

High pressure builds in and brings us a stretch of fair weather through the weekend with a gradual warm up and increase in humidity taking place. There will be some diurnal cloud development each day today and Saturday, with more on Saturday than today. Clouds will also start to increase later on Sunday as a trough of low pressure approaches from the west. This trough will combine with higher humidity to bring a shower and thunderstorm chance Monday, which lingers as well into Tuesday, with a slight cooling trend early next week.

TODAY: Mostly sunny. Highs 73-80. Dew point lower 50s. Wind W 5-15 MPH.

TONIGHT: Clear. Fog patches interior lower elevations. Lows 55-62. Dew point lower 50s. Wind W to SW up to 10 MPH.

SATURDAY: Partly sunny. Highs 79-86. Dew point middle 50s. Wind W to SW 5-15 MPH.

SATURDAY NIGHT: Mostly clear. Lows 57-64. Dew point middle 50s.

SUNDAY: Sunny morning. Partly cloudy afternoon. Highs 80-87. Dew point breaks 60. Wind SW 5-15 MPH.

SUNDAY NIGHT: Variably cloudy. A possible shower overnight. Patchy fog. Lows 61-68. Dew point 60+. Wind S up to 10 MPH.

MONDAY: Variably cloudy. Potential showers and thunderstorms. Highs 75-82. Dew point 60+. Wind S 5-15 MPH shifting to W.

MONDAY NIGHT: Variably cloudy. Possible showers and thunderstorms early. Patchy fog. Lows 61-68. Dew point 60+. Wind W up to 10 MPH shifting to N.

TUESDAY: Partly sunny. Chance of showers. Highs 73-80. Dew point near 60. Wind N up to 10 MPH shifting to E.

DAYS 6-10 (AUGUST 28 – SEPTEMBER 1)

High pressure brings fair weather much of the time during the final days of August and into the Labor Day Weekend but watch for a passing front and shower threat about August 30. Temperatures briefly cooler, then warming back up again.

DAYS 11-15 (SEPTEMBER 2-6)

Watch for a couple frontal boundaries to bring shower chances around Labor Day and later in the period. Temperatures near to slightly above normal.

DAYS 1-5 (AUGUST 22-26)

An upper level trough and cool pool remain nearby today, but will be starting to lift away from the region while weakening. There’s still enough influence from it to develop diurnal cumulus clouds, and a few of these can build enough to produce isolated showers, mainly north of Interstate 90 during this afternoon. For the most part and in most areas, it’ll be a rain-free, coolish late August day. High pressure builds in Friday and hangs around just to the south through the weekend, providing fair weather and a warming trend, with abundant sunshine Friday, Saturday, and most of Sunday. More clouds may arrive later Sunday in advance of the next approaching disturbance. This will be a trough of low pressure that moves into the region from the northwest Sunday and Monday, triggering the chance of showers and thunderstorms on Monday, and putting an end to the warm up as well.

TODAY: Sunny start, then a sun/cloud mix. A pop-up shower possible mainly north of I-90 this afternoon. Highs 70-77. Dew point near 50. Wind variable up to 10 MPH with coastal sea breeze possible.

TONIGHT: Partly cloudy. Patchy ground fog inland lower elevations. Lows 48-55, coolest inland lower elevations. Dew point upper 40s to 50. Wind variable under 10 MPH.

FRIDAY: Mostly sunny. Highs 73-80. Dew point lower 50s. Wind W 5-15 MPH.

FRIDAY NIGHT: Clear. Fog patches interior lower elevations. Lows 55-62. Dew point lower 50s. Wind W to SW up to 10 MPH.

SATURDAY: Sunny. Highs 79-86. Dew point middle 50s. Wind W to SW 5-15 MPH.

SATURDAY NIGHT: Clear. Lows 57-64. Dew point middle 50s.

SUNDAY: Sunny morning. Partly cloudy afternoon. Highs 80-87. Dew point near 60. Wind SW 5-15 MPH.

SUNDAY NIGHT: Variably cloudy. A possible shower overnight. Lows 61-68. Dew point near 60. Wind W 5-15 MPH.

MONDAY: Variably cloudy. Potential showers and thunderstorms. Highs 75-82. Dew point 60+. Wind W 5-15 MPH shifting to N.

DAYS 6-10 (AUGUST 27-31)

Upper level low pressure may produce a pop-up shower during August 27. High pressure brings fair weather much of the time during the final days of August but watch for a passing front and shower threat about August 30. Temperatures briefly cooler, then warming back up again.

DAYS 11-15 (SEPTEMBER 1-5)

Overall pattern looks quiet – minor disturbances / frontal passages bring short-lived shower chances around Labor Day and later in the period. Temperatures near to slightly above normal.

DAYS 1-5 (AUGUST 21-25)

Upper level low pressure will hang around today then start to lift out on Thursday. This cool pool of air aloft, combined with solar heating each day, will aid in the development of clouds. These clouds can produce a few scattered showers and even thunderstorms, with the latter while still a low probability being more possible today than tomorrow. Any pop up showers or storms can produce small hail today with the magnitude of cold air aloft. Activity tomorrow should be more isolated and mainly north of Mass Pike. High pressure will bring fair weather and a warming trend Friday-Sunday. Humidity remains very low into the weekend before nudging up by Sunday.

TODAY: Sunny start, then a sun/cloud mix. Isolated to scattered showers and a slight chance of thunderstorms mainly between 1:00 p.m. and 6:00 p.m.. Showers/storms can produce briefly gusty wind and small hail. Highs 68-75. Dew point around 50. Wind NW to W up to 10 MPH.

TONIGHT: Clearing. Patchy ground fog interior lower elevation locations. Lows 50-57. Dew point near 50. Wind variable under 10 MPH.

THURSDAY: Partly sunny. A pop-up shower possible mainly north of I-90 during the afternoon. Highs 70-77. Dew point near 50. Wind variable up to 10 MPH with coastal sea breeze possible.

THURSDAY NIGHT: Partly cloudy. Patchy ground fog inland lower elevations. Lows 48-55, coolest inland lower elevations. Dew point upper 40s to 50. Wind variable under 10 MPH.

FRIDAY: Mostly sunny. Highs 73-80. Dew point lower 50s. Wind W 5-15 MPH.

FRIDAY NIGHT: Clear. Fog patches interior lower elevations. Lows 55-62. Dew point lower 50s. Wind W to SW up to 10 MPH.

SATURDAY: Sunny. Highs 79-86. Dew point middle 50s. Wind W to SW 5-15 MPH.

SATURDAY NIGHT: Clear. Lows 57-64. Dew point middle 50s.

SUNDAY: Sunny. Highs 80-87. Dew point near 60. Wind SW 5-15 MPH.

DAYS 6-10 (AUGUST 26-30)

A disturbance brings a shower and thunderstorm opportunity August 26. Upper level low pressure may produce a pop-up shower during August 27. Generally fair weather is expected after that until the very end of the period when an approaching trough / front brings a shower / t-storm opportunity. Temperatures briefly cooler, then warming back up again.

DAYS 11-15 (AUGUST 31 – SEPTEMBER 4)

Early hints on Labor Day Weekend are for fair and seasonably warm weather which may then carry through the period with high pressure to the south and weak weather systems passing mainly to the north of New England.

DAYS 1-5 (AUGUST 20-24)

The beginning of the day catches the transition from one air mass to another in progress, with dew points still near 70 over Cape Cod but in the 50s in north central MA and southwestern NH. Between them is a cold front, about to slide offshore via the South Shore & South Coast. One more quick round of showers will visit RI and southeastern MA this morning under a canopy of clouds associated with the front, and then we’ll enjoy a day of mixed sun and clouds with lower dew points and cooler air. Comfortably low humidity continues through mid week along with below normal temperatures as upper level low pressure crosses the region. This feature will be responsible for the development of clouds each day Wednesday and Thursday. Scattered showers and even a few thunderstorms can and likely will pop up Wednesday, a few potentially producing small hail due to the cold air aloft. Thursday’s activity should be limited to more isolated showers favoring areas north of I-90. This low departs by Friday and high pressure builds in with fair weather that lasts into the weekend, including a warming trend.

TODAY: Lots of clouds through mid morning including areas of fog South Coast and a round of showers moving through RI and southeastern MA. Cloud/sun mix thereafter. Highs 68-75. Dew point starts out ranging from the 50s north central MA and southwestern NH to near 70 southeastern MA, but drops to the 50s all areas. Wind N to NW 5-15 MPH.

TONIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 51-58. Dew point lower 50s. Wind N up to 10 MPH.

WEDNESDAY: Most sun in the morning, more clouds midday and afternoon when a passing shower or thunderstorm is possible. Highs 68-75. Dew point around 50. Wind N up to 10 MPH but can be gusty around any showers and storms.

WEDNESDAY NIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 50-57. Dew point upper 40s to 50. Wind variable under 10 MPH.

THURSDAY: Partly sunny. A pop-up shower possible mainly north of I-90 during the afternoon. Highs 70-77. Dew point near 50. Wind variable up to 10 MPH with coastal sea breeze possible.

THURSDAY NIGHT: Partly cloudy. Patchy ground fog inland lower elevations. Lows 48-55, coolest inland lower elevations. Dew point sub-50. Wind variable under 10 MPH.

FRIDAY: Mostly sunny. Highs 73-80. Dew point in 50s. Wind W 5-15 MPH.

FRIDAY NIGHT: Clear. Fog patches interior lower elevations. Lows 55-62. Dew point in 50s. Wind W to SW up to 10 MPH.

SATURDAY: Sunny. Highs 80-87. Dew point in 50s. Wind W to SW 5-15 MPH.

DAYS 6-10 (AUGUST 25-29)

Overall pattern looks fairly rain-free with more typical late summer warmth. One disturbance around August 26 or 27 can produce a shower or thunderstorm threat otherwise high pressure controls the weather most of the time.

DAYS 11-15 (AUGUST 30 – SEPTEMBER 3)

Limited wet weather chances / mainly dry weather with high pressure mostly in control. Higher humidity potential for mid to late period. Early call on Labor Day Weekend (August 31 – September 2) looks mainly fair.

DAYS 1-5 (AUGUST 19-23)

A low pressure trough and associated cold front will move slowly across the region today through early Tuesday with unsettled weather in the form of occasional showers. There can be a few thunderstorms involved as well until the front pushes through the region from west to east this evening. Upper level low pressure will hang around through midweek. A dry slot brings any showers to an end after early Tuesday, but pop-up afternoon showers are possible both Wednesday and Thursday with the help of solar heating. Temperatures will run below normal through mid week, with some “feel of fall” nights upcoming once we get rid of the current humid air mass. By Friday, high pressure builds in with fair weather, a cool start, and a warmer afternoon. Ernesto re-strengthened to a hurricane north northeast of Bermuda yesterday and will continue to accelerate into the open North Atlantic through midweek, still producing some rough surf and large ocean swells along our coast for a couple more days before that subsides.

TODAY: Cloudy with areas of fog this morning including periodic showers and the chance of a thunderstorm. Mostly cloudy but breaks of sun this afternoon with a chance of a passing shower, then a better shower and thunderstorm chance returning in the early evening from west to east. Highs 74-81. Dew point 65+. Wind SE to S up to 10 MPH.

TONIGHT: Mostly cloudy. Scattered showers. Patchy fog. Lows 60-67. Dew point 60+. Wind S to SW up to 10 MPH.

TUESDAY: Mostly cloudy through mid morning with patchy fog and passing showers. Partial sun by midday on. Highs 68-75. Dew point near 60, lowering into 50s. Wind shifting to N 5-15 MPH.

TUESDAY NIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 51-58. Dew point lower 50s. Wind N up to 10 MPH.

WEDNESDAY: Partly sunny. A pop-up shower possible. Highs 68-75. Dew point lower 50s. Wind N up to 10 MPH.

WEDNESDAY NIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 50-57. Dew point upper 40s to 50. Wind variable under 10 MPH.

THURSDAY: Partly sunny. A pop-up shower possible. Highs 70-77. Dew point near 50. Wind variable up to 10 MPH with coastal sea breeze possible.

THURSDAY NIGHT: Partly cloudy. Patchy ground fog inland lower elevations. Lows 48-55, coolest inland lower elevations. Dew point sub-50. Wind variable under 10 MPH.

FRIDAY: Mostly sunny. Highs 73-80. Dew point in 50s. Wind W 5-15 MPH.

DAYS 6-10 (AUGUST 24-28)

High pressure is expected to provide fair weather with a warming trend over the August 24-25 weekend. Higher humidity and shower / t-storm chances return thereafter as a trough and frontal system move into the region.

DAYS 11-15 (AUGUST 29 – SEPTEMBER 2)

High pressure returns with drier and mild weather to finish the month of August then a warm-up and more humid weather heading toward Labor Day (September 2).

DAYS 1-5 (AUGUST 18-22)

Despite an early visit from showers for most of the area (not really in the forecast), we still have a majority rain-free day ahead as showers become less numerous then depart the region as the morning goes along, and only a few quick showers remain possible mainly west of I-95 during the afternoon. This unsettled weather and the episodes of showers Monday and early Tuesday will be caused by a trough of low pressure moving through from west to east, as weather systems are finally back on the move again. Behind this comes cooler and drier air for the middle of next week, but with an upper trough of low pressure still hanging around, I can’t rule out a few pop-up showers both Wednesday and Thursday with the help of daytime heating.

TODAY: An overcast start with fairly widespread showers and areas of fog. Clouds break for sun at times thereafter but a passing shower can occur late morning on favoring areas west of I-95. Highs 74-81, warmest inland areas. Dew point 65+. Wind SE up to 10 MPH.

TONIGHT: Mostly cloudy. Scattered showers. Patchy fog. Lows 65-72. Dew point 65+. Wind S up to 10 MPH.

MONDAY: Variably cloudy. Occasional showers and a chance of thunderstorms greatest chance morning and again late afternoon / early evening. Highs 72-79. Dew point 65+. Wind S to variable 5-15 MPH.

MONDAY NIGHT: Mostly cloudy. A few showers possible. Patchy fog. Lows 62-69. Dew point 60+. Wind variable up to 10 MPH.

TUESDAY: Mostly cloudy with a chance of showers and drizzle along with areas of fog in the morning. Clouds break for sun during the afternoon. Highs 69-76. Dew point 60+, falling to 50s. Wind NE to N 5-15 MPH.

TUESDAY NIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 56-63. Dew point lower to middle 50s. Wind N up to 10 MPH.

WEDNESDAY: Partly sunny. A pop-up shower possible. Highs 68-75. Dew point in 50s. Wind N up to 10 MPH.

WEDNESDAY NIGHT: Partly cloudy. Patchy fog interior lower elevations. Lows 56-63. Dew point lower to middle 50s. Wind variable under 10 MPH.

THURSDAY: Partly sunny. A pop-up shower possible. Highs 70-77. Dew point in 50s. Wind variable up to 10 MPH with coastal sea breeze possible.

DAYS 6-10 (AUGUST 23-27)

High pressure is expected to provide fair weather with a warming trend heading into late next week. Humidity starts low then climbs slowly. Showers may become possible later in the period.

DAYS 11-15 (AUGUST 28 – SEPTEMBER 1)

A fairly seasonable pattern of moderate humidity and a few shower and thunderstorm opportunities, but no sustained major heat to end August and greet September, driven by a moderate westerly air flow across the Northeast.

DAYS 1-5 (AUGUST 17-21)

Hurricane Ernesto crossed Bermuda this morning and is now set to accelerate away from there and into the open North Atlantic this weekend, well southeast to of New England. As previously noted, Ernesto’s impact on our region come in a couple forms. One is to increase ocean swells and rough surf especially later in the weekend into the beginning of next week. The other is to delay the arrival of a trough from the west, keeping most of our weekend rain-free. We are still contending with a significant plume of high altitude wildfire smoke from Canada, which has been directed southward across our sky for the past several days due to the lack of upper pattern feature movement, but this plume will thin from west to east during the course of the weekend, just in time for more clouds to arrive from the west. However, as noted, shower activity will be limited to just light and scattered on Sunday, with the main activity from the trough coming through this region in a couple surges between early Monday and midday Tuesday as a frontal system and wave or two of low pressure impact southeastern New England. Drier air arrives later Tuesday and Wednesday, along with below normal temperatures and low humidity.

TODAY: Lots of clouds / limited smoke-filtered sun. Highs 75-82, warmest inland. Dew point 60+. Wind variable to SE up to 10 MPH.

TONIGHT: Mostly cloudy. Areas of fog. Lows 62-69, warmest in urban locations. Dew point 60+. Wind SE to S under 10 MPH.

SUNDAY: Clouds dominate but intervals of sun and a possible passing shower, mainly west of I-95. Highs 76-83, warmest inland. Dew point 65+. Wind SE to S up to 10 MPH.

SUNDAY NIGHT: Mostly cloudy. Scattered showers. Patchy fog. Lows 65-72. Dew point 65+. Wind S up to 10 MPH.

MONDAY: Variably cloudy. Occasional showers and a chance of thunderstorms. Highs 72-79. Dew point 65+. Wind S to variable 5-15 MPH.

MONDAY NIGHT: Mostly cloudy. Periodic showers. Chance of thunderstorm. Patchy fog. Lows 62-69. Dew point 60+. Wind variable up to 10 MPH.

TUESDAY: Mostly cloudy with a chance of showers and drizzle along with areas of fog in the morning. Clouds break for sun during the afternoon. Highs 69-76. Dew point 60+, falling to 50s. Wind NE to N 5-15 MPH.

TUESDAY NIGHT: Partly cloudy. Patchy fog. Lows 56-63. Dew point lower to middle 50s. Wind N up to 10 MPH.

WEDNESDAY: Mostly sunny. Highs 68-75. Dew point in 50s. Wind N up to 10 MPH.

DAYS 6-10 (AUGUST 22-26)

High pressure maintains fair weather and low humidity from the middle of next week at least into the August 24-25 weekend before higher humidity and shower/thunderstorm chances arrive late in the period.

DAYS 11-15 (AUGUST 27-31)

A fairly seasonable pattern of moderate humidity and a few shower and thunderstorm opportunities, but no sustained major heat to end August, driven by a moderate westerly air flow across the Northeast.

DAYS 1-5 (AUGUST 16-20)

The upper low that brought some shower and thunderstorm activity yesterday, including a few instances of severe weather (hail, wind damage), moves away today and an area of high pressure moves in with fair weather. But that fair weather does not mean a deep blue sunny sky all day long. Low level moisture has triggered stratus and fog that much of the region will see to start the day, and once that dissipates we have a veil of high altitude wildfire smoke to filter the sun, which will also be mixed with clouds. Our weekend will feature a continuation of wildfire smoke in the sky through Saturday, and probably Sunday too though we’ll see less of it then due to an increase in cloud cover underneath the main smoke layer. Hurricane Ernesto, which is forecast to make a close pass to Bermuda Saturday before accelerating northeastward over the open western Atlantic, will play a role in our weather, but it’s actually a positive one. This system is part of a pattern that holds up the eastward movement of weather systems, and the trough we’ve been watching for a weekend arrival via the Midwest / Great Lakes is going to be slow enough that we get through most of the weekend rain-free, with the shower threat holding off until later Sunday. One other impact from Ernesto will be increasing ocean swells along the coast during the course of the weekend, and into early next week. As for our early week weather here, the trough from the west finally gets in to bring us unsettled weather Monday and probably into if not through Tuesday, depending on how quickly things start to move eastward again. Tuesday’s forecast may change for the better if things move more quickly…

TODAY: Low clouds and areas of fog to start, then smoke-filtered sun mixed with clouds. Highs 77-84. Dew point 60+. Wind variable up to 10 MPH.

TONIGHT: Partly cloudy. High altitude smoke. Patchy fog. Lows 61-68. Dew point 60+. Wind S under 10 MPH.

SATURDAY: Partly sunny. High altitude smoke. Highs 79-86, coolest South Coast. Dew point in 60s. Wind S 5-15 MPH.

SATURDAY NIGHT: Variably cloudy. Patchy fog. Lows 63-70, warmest urban areas. Dew point in 60s. Wind S up to 10 MPH.

SUNDAY: Mostly cloudy. A chance of showers late in the day, favoring areas west of I-95. Highs 78-85. Dew point in 60s. Wind S 5-15 MPH.

SUNDAY NIGHT / MONDAY: Variably cloudy. Occasional showers and a chance of thunderstorms. Patchy fog. Lows 64-71. Highs 72-79. Dew point middle 60s to lower 70s. Wind S to variable 5-15 MPH.

MONDAY NIGHT / TUESDAY: Mostly cloudy. Occasional showers. Patchy fog. Lows 62-69. Highs 70-77. Dew point 60+. Wind variable to NE 5-15 MPH.

DAYS 6-10 (AUGUST 21-25)

A stretch of dry and pleasant weather is expected for much of next week with high pressure in control and a flow of air out of Canada / Great Lakes.

DAYS 11-15 (AUGUST 26-30)

A return of higher humidity and a few shower chances as a more typical August pattern returns for the late days of the month.

DAYS 1-5 (AUGUST 15-19)

Upper level low pressure spinning off to our east will do a few things to our weather over the next few days. Firstly, it drives additional wildfire smoke southward out of Canada through at least Friday. It triggers some showers that visit parts (or most) of our region later today and this evening, and it slows down the approach of the next trough that we end up with the majority of the upcoming weekend rain-free. Ernesto is forecast to make a north to northeast track over the western Atlantic in the coming days, peaking as a category 3 hurricane southwest of Bermuda before starting a slow weakening trend and passing close to the island on Saturday. Eventually Ernesto starts to pick up speed and track north northeast, passing far east of New England. It will generate large ocean swells and rough surf heading through the weekend and early next week. Back here in New England, as we get to the start of next week we’ll see a better shot of showers and thunderstorms on Monday as a trough moves into the region.

TODAY: Filtered sun mixed with clouds then clouds taking over later on and showers more likely from north to south late day into the evening. Highs 77-84. Dew point lower 60s. Wind variable to N up to 10 MPH, but can be a little stronger around any showers.

TONIGHT: Variably cloudy. A chance of showers in the evening. Patchy fog forming. Lows 58-65. Dew point upper 50s to lower 60s. Wind variable under 10 MPH.

FRIDAY: Partly sunny. Highs 77-84. Dew point near 60. Wind variable up to 10 MPH.

FRIDAY NIGHT: Partly cloudy. Patchy fog. Lows 60-67. Dew point near 60. Wind S under 10 MPH.

SATURDAY: Partly sunny. Highs 78-85. Dew point 60+. Wind S 5-15 MPH.

SATURDAY NIGHT: Mostly cloudy. Patchy fog. Lows 60-67. Dew point 60+. Wind S up to 10 MPH.

SUNDAY: Variably cloudy. A chance of showers and thunderstorms in the afternoon. Highs 75-82. Dew point in 60s. Wind S 5-15 MPH.

SUNDAY NIGHT / MONDAY: Variably cloudy. Occasional showers and a chance of thunderstorms. Patchy fog. Lows 63-70. Highs 72-79. Dew point in 60s to near 70. Wind S to variable 5-15 MPH.

DAYS 6-10 (AUGUST 20-24)

Shower and thunderstorm chance early in the period followed by drier weather. Temperatures generally near normal – no major heat anticipated.

DAYS 11-15 (AUGUST 25-29)

A fairly quiet pattern expected late month with no prolonged major heat and limited shower and thunderstorm chances.

DAYS 1-5 (AUGUST 14-18)

Not much to update today. Upper low pressure to our east, high pressure to our west is the general pattern through Friday. The influence of solar heating and cool air aloft associated with the upper low can trigger isolated showers later today, but most areas will remain dry. Thursday, showers are again a potential, but a higher one, with greater coverage, and we’ll see those moving from north to south into the region during the second half of the afternoon into the evening. Friday will be a dry day. The slower movement of large scale systems now pretty much guarantees a rain-free Saturday as we’ll have a narrow area of high pressure between the departed upper low and the next trough approaching from the west. However, Sunday is more likely to be unsettled with clouds and showers as that trough from the west gets in. Other things of note include high altitude wildfire smoke from Canada in our sky much of the next three days, and it may be thickest on Thursday before starting to thin out by later on Friday. Additionally, forecast Hurricane Ernesto is expected to be well offshore of the US East Coast by this weekend, still far to the southeast of New England, but close enough that we’ll start seeing larger ocean swells along our coast.

TODAY: High altitude smoke with filtered sun. Becoming partly cloudy later with isolated late-day showers favoring areas west of I-95 / north of I-90. Highs 75-82. Dew point upper 50s to lower 60s. Wind variable up to 10 MPH with coastal sea breezes.

TONIGHT: Partly cloudy. A few isolated showers possible southern NH and northern MA in the evening. Fog patches develop interior lower elevations overnight. Lows 57-64. Dew point upper 50s. Wind variable up to 10 MPH.

THURSDAY: Filtered sun mixed with clouds with clouds taking over later on and showers more likely from north to south late day into the evening. Highs 77-84. Dew point lower 60s. Wind variable up to 10 MPH.

THURSDAY NIGHT: Variably cloudy. A chance of showers in the evening. Patchy fog forming. Lows 58-65. Dew point upper 50s to lower 60s. Wind variable under 10 MPH.

FRIDAY: Partly sunny. Highs 77-84. Dew point near 60. Wind variable up to 10 MPH.

FRIDAY NIGHT: Partly cloudy. Patchy fog. Lows 60-67. Dew point near 60. Wind S under 10 MPH.

SATURDAY: Partly sunny. Highs 78-85. Dew point 60+. Wind S 5-15 MPH.

SATURDAY NIGHT: Mostly cloudy. Patchy fog. Lows 60-67. Dew point 60+. Wind S up to 10 MPH.

SUNDAY: Mostly cloudy. Showers likely. Chance of a thunderstorm. Highs 73-80. Dew point in 60s. Wind S 5-15 MPH.

DAYS 6-10 (AUGUST 19-23)

A trough nearby means higher humidity and shower opportunities early next week before drier air arrives mid to late week. Ernesto well offshore early in the period will create large ocean swells and rough surf at the coast. Temperatures near normal.

DAYS 11-15 (AUGUST 24-28)

The late August pattern looks fairly benign – seasonably warm – a couple shower and thunderstorm chances to sort out as we get closer.

DAYS 1-5 (AUGUST 13-17)

The pattern through midweek features a little more upper low to our east and high pressure to our west. There are no major changes to the forecast with dry weather most of the time. The shower threat is still there for Thursday, but also have to allow for possible pop-up showers to our north Wednesday wandering into the northern portion of the WHW forecast area in isolated form. When we get to the weekend we’ll start to see a more southwesterly air flow evolving along with an increase in humidity levels. This may lead to a few showers later Saturday but for now keeping the forecast generally dry with any shower activity limited and mainly west.

TODAY: Sunny morning. Partly cloudy afternoon. Highs 76-83. Dew point in 50s. Wind NW up to 10 MPH but coastal sea breeze are possible midday on.

TONIGHT: Mostly clear. Shallow fog patches interior lower elevations. Lows 56-63. Dew point lower to middle 50s. Wind NW under 10 MPH.

WEDNESDAY: Mostly sunny to partly cloudy. Highs 75-82. Dew point rising to upper 50s. Wind variable up to 10 MPH with coastal sea breezes.

WEDNESDAY NIGHT: Partly cloudy. A few isolated showers possible southern NH and northern MA in the evening. Fog patches develop interior lower elevations overnight. Lows 57-64. Dew point middle to upper 50s. Wind variable up to 10 MPH.

THURSDAY: Partly sunny. Isolated to scattered afternoon showers possible. Highs 77-84. Dew point rising to lower 60s. Wind variable up to 10 MPH.

THURSDAY NIGHT: Partly cloudy. Isolated showers possible in the evening. Patchy ground fog. Lows 58-65. Dew point upper 50s to lower 60s. Wind variable under 10 MPH.

FRIDAY: Partly sunny. Highs 77-84. Dew point near 60. Wind variable up to 10 MPH.

FRIDAY NIGHT: Partly cloudy. Patchy fog. Lows 60-67. Dew point near 60. Wind S under 10 MPH.

SATURDAY: Partly sunny. Isolated afternoon showers possible mainly central MA to southwestern NH. Highs 78-85. Dew point 60+. Wind S 5-15 MPH.

DAYS 6-10 (AUGUST 18-22)

The approach / arrival of a trough from the west brings higher humidity and greater shower chances to finish off the weekend on August 18. Shower/thunderstorm chances early next week diminishing midweek as the trough exits and high pressure build back toward the region from the west. Forecast Hurricane Earnesto is expected to be passing well east of the East Coast on a north to northeastward trek early in the period with large ocean swells impacting coastal areas.

DAYS 11-15 (AUGUST 23-27)

Heading through late month the pattern looks fairly quiet, seasonably warm, with a couple passing disturbances providing short-lived unsettled weather chances. No indications of prolonged significant hot weather.

DAYS 1-5 (AUGUST 12-16)

The large scale pattern this week will feature a westerly flow, around a broad trough, with a bit of cyclonic curvature to the air flow in the region. This will take 2 disturbances across the region when we have shower chances – one this afternoon and early evening, another late-day Thursday. Today’s threat features some cold enough air aloft that isolated thunder and small hail are small chances with a few of the showers that do develop. Additionally, late-day timing means a few rainbows can be spotted if you’re in the right place at the right time! Otherwise, it’s a fair and nice week with the absence of heat and high humidity. One additional note: Tonight / early Tuesday is the last of the 3 “best nights” to view the Perseid meteor shower, and the sky should clear out behind today’s disturbance by late evening to provide good viewing conditions. Best opportunity you can give yourself is to get away from city lights, after 10 p.m. until shortly before daybreak.

TODAY: Sunny morning. Partly sunny afternoon with late afternoon to early evening isolated to scattered showers and a slight chance of thunderstorms. Any heavier showers or storms could produce small hail. Highs 76-83. Dew point in 50s. Wind W 5-15 MPH.

TONIGHT: Clearing. Lows 57-64. Dew point in 50s. Wind WNW up to 10 MPH.

TUESDAY: Sunny morning. Partly cloudy afternoon. Highs 76-83. Dew point in 50s. Wind NW up to 10 MPH.

TUESDAY NIGHT: Mostly clear. Shallow fog patches interior lower elevations. Lows 56-63. Dew point lower to middle 50s. Wind NW under 10 MPH.

WEDNESDAY: Mostly sunny. Highs 75-82. Dew point rising to upper 50s. Wind variable up to 10 MPH with coastal sea breezes.

WEDNESDAY NIGHT: Mostly clear. Shallow fog patches interior lower elevations. Lows 57-64. Dew point middle to upper 50s. Wind variable up to 10 MPH.

THURSDAY: Partly sunny. Isolated to scattered afternoon showers possible. Highs 77-84. Dew point rising to lower 60s. Wind variable up to 10 MPH.

THURSDAY NIGHT: Partly cloudy. Patchy ground fog. Lows 58-65. Dew point upper 50s to lower 60s. Wind variable under 10 MPH.

FRIDAY: Partly sunny. Highs 77-84. Dew point near 60. Wind variable up to 10 MPH.

DAYS 6-10 (AUGUST 17-21)

The weekend will feature higher but not oppressive humidity and as a trough and frontal system approach from the west we’ll look for an increase in the shower chance, but right now timing favors Sunday 8/18 over Saturday 8/17, which should stay rain-free. Higher humidity and a few shower / t-storm chances may carry into early next week. At the same time we should be monitoring an offshore tropical system, possibly a hurricane, but strongest indications right now are that system would be well offshore.

DAYS 11-15 (AUGUST 22-26)

Heading into late month the pattern looks fairly quiet, seasonably warm, with a couple passing disturbances providing short-lived unsettled weather chances. No indications of prolonged significant hot weather.

DAYS 1-5 (AUGUST 11-15)

A quiet pattern is in place regarding our weather here well into the coming week, with high pressure in control most of the time. Daily wind direction will be largely determined by high pressure center positioning. The only potential interruptions to completely dry weather are isolated shower chances Monday from a trough passing by and Thursday from a very weak disturbance between 2 high pressure areas. As far as the visibility for Perseid Meteor Shower viewing, it looks great tonight and tomorrow night, though there may be a few clouds from time to time. We won’t have the moon around after midnight, which is when you can see up to 50+ meteors per hour in ideal viewing locations – that is, minimal light pollution. Good luck if you plan to be out there!

TODAY: Sunny morning. Sun/cloud mix afternoon. Some high altitude smoke mainly South Coast this morning. Highs 76-83. Dew point sub-60. Wind W 5-15 MPH.

TONIGHT: Mostly clear. Interior lower elevation fog patches. Lows 57-64. Dew point sub-60. Wind W under 10 MPH.

MONDAY: Partly sunny. A possible shower or thunderstorm in the afternoon. Low risk of small hail in any heavier showers. Highs 77-84. Dew point near 60. Wind W 5-15 MPH.

MONDAY NIGHT: Partly cloudy. Lows 58-65. Dew point under 60. Wind W 5-15 MPH.

TUESDAY: Mostly sunny. Highs 76-83. Dew point in 50s. Wind NW 5-15 MPH.

TUESDAY NIGHT: Mostly clear. Lows 56-63. Dew lower to middle 50s. Wind W up to 10 MPH.

WEDNESDAY: Mostly sunny. Highs 75-82. Dew point in 50s. Wind variable up to 10 MPH with coastal sea breezes.

WEDNESDAY NIGHT: Mostly clear. Lows 56-63. Dew point lower to middle 50s. Wind variable up to 10 MPH.

THURSDAY: Partly cloudy. A slight chance of an isolated shower. Highs 76-83, coolest coast. Wind variable up to 10 MPH with coastal sea breezes.

DAYS 6-10 (AUGUST 16-20)

There is disagreement in medium range guidance on all kinds of things, from the movement and timing of a trough approaching from the west next weekend to the potential track of an offshore tropical system that looks like it will develop and move into the Caribbean during the next several days. Sensible weather for our region can be impacted by these systems, the latter much more likely than the former. So while this is a low confidence forecast, as of today I lean toward high pressure keeping us fair August 16-17, and a trough from the west increasing the humidity and shower chances August 18-20, while leaning toward ensemble indications of any tropical activity staying well offshore of the East Coast. Also, there’s no major heat indicated.

DAYS 11-15 (AUGUST 21-25)

Fairly quiet pattern overall – weak weather systems may pass by with a shower threat otherwise high pressure and a general weak westerly flow dominate with mostly fair weather and no prolonged major heat.