Sunday August 8 2021 Forecast (8:58AM)

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DAYS 1-5 (AUGUST 8-12)

Our region will be between an approaching cold front from the north and a weak area of low pressure to the south today with lots of clouds around. Showers are most likely near the South Coast in association with the low to the south, but the approaching front will trigger a few showers in southern NH and MA during the day as well, though these will be rather isolated. Lingering showers are expected tonight with the low to the south while any showers that developed ahead of the front will fade and dissipate early on. The front will slip through the region and high pressure to the north will switch the wind around to the east across the area for Monday, with cooler but still slightly humid air. A few additional showers into Monday will favor areas mostly from I-90 southward as the frontal boundary and low pressure area will be sitting just south of New England. The low will weaken and move away and the front will come back northeastward as a warm front during Tuesday, opening the door for a more classic summertime feel by midweek with a warm to hot and humid southwesterly air flow and the daily chance of a few showers and thunderstorms both Wednesday and Thursday, with the greater chance of those being on Thursday afternoon.

TODAY: Mostly cloudy. Scattered showers mainly South Coast region. Isolated afternoon showers southern NH / northern MA. Highs 77-84, coolest in coastal areas. Dew point lower to middle 60s. Wind variable to SE up to 10 MPH.

TONIGHT: Mostly cloudy. Chance of showers, mainly near the South Coast. Patchy fog. Lows 62-69. Wind N to NE up to 10 MPH.

MONDAY: Mostly cloudy. Isolated showers, mainly near and south of I-90. Highs 75-82. Dew point middle 60s. Wind NE to E 5-15 MPH.

MONDAY NIGHT: Mostly cloudy. Patchy fog. Lows 62-69. Dew point lower to middle 60s. Wind SE under 10 MPH.

TUESDAY: Variably cloudy. A shower possible, mostly during the morning. Highs 77-84, coolest coast. Dew point middle to upper 60s. Wind SE up to 10 MPH shifting to S.

TUESDAY NIGHT: Partly cloudy. Patchy fog. Lows 66-73. Dew point middle to upper 60s. Wind SW up to 10 MPH.

WEDNESDAY: Partly cloudy. Isolated afternoon thunderstorms. Highs 86-93. Dew point upper 60s to lower 70s. Wind SW 5-15 MPH.

WEDNESDAY NIGHT: Partly cloudy. Patchy fog. Lows 67-74. Dew point upper 60s to lower 70s. Wind SW under 10 MPH.

THURSDAY: Partly sunny. Scattered afternoon thunderstorms. Highs 87-94. Dew point lower 70s. Wind SW 5-15 MPH.

DAYS 6-10 (AUGUST 13-17)

Heat, humidity, and thunderstorms as a cold front approaches on August 13. Front pushes offshore and high pressure moves in with drier weather for the August 14-15 weekend then high pressure may remain over the region with continued dry weather through the end of the period.

DAYS 11-15 (AUGUST 18-22)

Overall pattern looks dry with high pressure in control, but high pressure should sink to the south with time allowing it to become more humid again with an eventual increase in the shower and thunderstorm chance. We may also need to keep an eye on potential tropical activity in the Atlantic off the US East Coast by later in the period.

28 thoughts on “Sunday August 8 2021 Forecast (8:58AM)”

    1. Nice, thanks.

      Large mouth Bass is not stocked in Massachusetts as they are thriving and reproducing.

  5. 00z GFS develops a system over the Bahamas and eventually landfalls a low 980 mb storm in the mid Atlantic.

    I do realize this is the models incorporating more favorable atmospheric parameters for tropical development and that specific projected solutions are nothing to set in stone, looking for consistent trends/outcomes.

    1. Actually, it’s the low near 15/53 that it develops as it moves across the islands and into the Caribbean. It loses it near Hispaniola, then redevelops it over the Bahamas. The 6z GFS doesn’t do much with it until it’s off the NC coast, then makes it into a TD or weak TS as it passes just south and east of the Cape.

    1. Potentially Boston’s first since June. Hasn’t been a hot summer for sure. A few hot interludes but nothing persistent. And this upcoming heat won’t persist either. Three days. Far cry from summers like 1983, 1988, 1995, and a couple others in the 2000s.

  8. Per HRRR … the low pressure circulation south of us has enough influence on the region this afternoon to keep any pop-up showers/storms away from the coast. I can buy that scenario. North central MA to south central & southwestern NH are the most likely areas in the WHW forecast region to see pop up stuff that is diurnal and also related to the approaching front from the N. The bulk of the moisture from the low to the south stays offshore or skirts the South Coast of CT through this afternoon then makes its way to the South Coast of RI/MA later this evening before the remains wheel northward early Monday, but probably fade out with time. Can’t rule out a few more pop ups Monday with a couple boundaries near / over the region, but at the same time the onshore maritime flow should limit the activity as well.

  9. Lashing rains continue in London, though it’s not continuous. Glimpses of sun, then a couple of minutes later a light rain shower followed by a downpour. It’s been this way for 3 days, and apparently for a few days before I arrived. It’s currently around 63F.

    1. “An at home care nurse must survive a category 3 hurricane as well as a storm chasing serial killer that uses storms to cover up his heinous crimes.”

    2. There are some interesting reviews:
      “I was looking forward to this one. As expected the actors were horrible, the protagonist was trying his best to be creepy, the dumb victims, the storyline was madness, and the special effects could have been done better by a third grader. What could be better than that? It even has rain pouring up instead of down on the windows and no wind during a hurricane. Fun!”

    3. AAAHAHAHAHA!

      Nate & I have made a fun little “hobby” of watching all the bad disaster-type movies on some of our father / son media nights, MST3K-style. It’s quite fun. Not sure if this one will make our watch list. We’ll see……………..

  12. These two invests being so close have benefited the eastern Caribbean. The two areas competing with each other along with dry air just to the north of them and unfavorable shear over the NE Caribbean will help keep Invest94L as a tropical depression if that. Invest93 looks like it wont do anything at all besides for being an open tropical wave when it moves through the Caribbean later this week. 🙂

  13. Cleared up last night. Too bad I didn’t see it. It’s cloudy and raining again; 55F. Man, does this remind me of when I lived in the Netherlands. Looks like it will be partly sunny tomorrow, and warmer. They’re forecasting a heatwave at some point this month, with much drier conditions. Note, their definition of a heatwave is not >90F. More like >80F. This week it’ll get to 73F, which is considered warm here.

  14. Seen all rain types in the past 4 days. Today it’s a steady light to moderate rain. Constant this time, though they say it’s going to stop soon. It’s up to 59F.

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