Thursday Forecast

7:09AM

DAYS 1-5 (JUNE 27-JULY 1)
The marine layer journeyed a distance into the interior during the night with low clouds and fog, but those will burn off as the late June sun rises above it in the sky later this morning, and the day will turn out decently well, but that boundary of marine air and warmer sun-heated land somewhere in southeastern NH and eastern MA and another boundary near the South Coast will pop some clouds this afternoon. However, with not great support, these clouds will probably never build to the level of releasing any showers. With the possibility so remote, not even going to include in the forecast below. If you see one, feel free to tell me I was wrong. I can take it – hehehe. So this advertised “severe weather outbreak” or whatever some have been hinting it might be for the weekend? Yes we have some unsettled weather on the way, but I hesitate to even use that term as we are actually in for a decent weekend overall – just one in which we’ll have to put up with possibly a few damp hours to start it, and then watch for a few hit & miss type showers/storms. Right now, I think the timing of the main energy areas being earlier Saturday and earlier Sunday may limit the amount of shower and storm development to more isolated than anything, but something we’ll have to fine-tune with the help of short-range guidance going into the weekend. Once we get to Monday, the cool pool that enters the region this weekend, being responsible for the shower threat, will be exiting, but we’ll have a northerly air flow of refreshing air to start the month of July.
Forecast details…
TODAY: Low overcast and areas of fog to start, burning off to sunshine. Some clouds pop up this afternoon. Moderately humid. Highs 75-80 coast, 80-85 interior though cooling is possible this afternoon especially coastline. Wind light variable with sea breezes.
THURSDAY NIGHT: Partly cloudy. Areas of coastal fog early. Lows 62-69. Wind variable then NW up to 10 MPH.
FRIDAY: Partly cloudy. Highs 83-90. Wind W up to 10 MPH.
FRIDAY NIGHT: Clouding over. Rain or showers overnight. More humid. Lows 60-67. Wind light variable.
SATURDAY: Cloudy with areas of fog and a chance of rain early, then partly sunny with isolated showers and thunderstorms. Humid. Highs 79-86. Wind variable 5-15 MPH becoming W.
SATURDAY NIGHT: Partly cloudy. Patchy fog. Humid. Lows 60-67. Wind W 5-15 MPH.
SUNDAY: Partly sunny. Isolated showers/thunderstorms, favoring mid morning to early afternoon. Humid, but drying late. Highs 76-83. Wind W 5-15 MPH shifting to N.
SUNDAY NIGHT: Mostly clear. Lows 53-60. Wind N up to 10 MPH.
MONDAY: Sunny to partly cloudy. Highs 75-82. Wind N 5-15 MPH.

DAYS 6-10 (JULY 2-6)
The majority of this period will see dry weather, and we’ll only have to watch a couple of generally weak disturbances that may be enough to kick off a passing shower or thunderstorm. Temperatures near to slightly above normal as we see a more predominant westerly flow.

DAYS 11-15 (JULY 7-11)
A general westerly flow, seasonably warm pattern with a couple opportunities for showers/thunderstorms, but dry weather most of the time.

18 thoughts on “Thursday Forecast”

    1. Yes you have… From me if you look at the WHW FB page. πŸ˜‰

      I just didn’t use all capitals. πŸ˜‰

  1. Good morning and thank you TK.
    Mixed signals for Saturday with different timing etc.
    Waiting for 12Z runs for me anyway.

    Another gloomy morning, but it has brightened up some.

    1. 6Z 3KM NAM is quite bullish for severe weather Saturday while the regular
      NAM is at best marginal. Go Figure.

  2. Thank you, TK.

    Consensus appears to be for a very warm and humid summer, according to a boston.com article that reviewed 6 forecasts. We’ll see. I’m very skeptical. I also sincerely hope that it’s not very warm and humid. We had our fair share of this last summer.

  3. Looking quickly at the 12z runs of the American models for Saturday. NAM has a quicker passage of the front and the parameters being shown on the NAM is a good thing that its not coming through during peak heating. 12z GFS has the front crossing a little later and the atmosphere is able to destabilize a little more increasing the chance for strong to severe storms.

  4. Visibility 1.5 miles at Logan but a-ok here in Dorchester.

    Will the fogbank return for tomorrow morning again?

    1. Nope. Not all night anyway (as indicated in my forecast above). With light onshore wind the fog bank will be in and out at the shoreline for a few hours then a NW breeze overnight pushes the marine later out of there.

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