Building high pressure this weekend will wrap in drier air along with cooler NNE winds and return temperatures to more seasonal levels for this time of year. A weak front is pushing off the coast this morning. This came with a few light sprinkles or showers overnight and a deck of mid level clouds which is eroding away this morning.

A trough is in place over the Northeast. An upper level low over the Canadian Maritimes will swing through Nova Scotia and help to keep a cyclonic flow, and cooler air aloft in place. So after seeing increasing morning sunshine, we will likely see clouds redeveloping this afternoon with the heating of the day. Partly sunny skies in the 60’s inland with a afternoon seabreeze to cool temps down into the 50’s this afternoon at the coast.

The Upper low with strengthen east of Nova Scotia tonight. This will reinforce NE winds at the ground and the potential for low clouds at the coast by dawn tomorrow. Plenty of stable air across the region Sunday, so expect plenty of sunshine…but a chilly NE wind off the water will mean temps in the Lwr-mid 50’s at the beaches and Lwr-mid 60’s farther inland away from any marine air.

The Upper level ridge kicks out this low and allows for a pleasant mostly dry Monday. Warm air advection into the northeast will mean Clouds increasing ahead of a front which weakens over the region. This will give us a chance of a late day shower Monday.

11 Nice Weekend...Unsettled Cooler Outlook

Clouds will be streaming into the Northeast by Tuesday with a front stalled over or just south of New England. A wave of low pressure will be gathering in the Southeast and likely ride up along this boundary through the midweek and track south of new England. Heaviest rain will be found on the NW side of the low..Our chances of seeing a few afternoon showers are better Tuesday afternoon with the main batch of rain waiting until Wednesday.

6 Nice Weekend...Unsettled Cooler Outlook

Upper level divergence along the east coast will help to deepen this low as it tracks southeast of Nantucket and eventually into the Gulf of Maine. 

3 Nice Weekend...Unsettled Cooler Outlook

 There are questions on how progressive this rain will be or if this will get caught up into a blocking pattern, but today it appears that this low will keep moving and allow for a gradual improvement to the weather by the end of the week. Cool onshore winds will keep in cool and raw at the coast the next several days until this storm passes.

Comments (13)
  1. Quizplz says:

    The GFS run from UNISYS shows a rather frightening scenario from Wednesday through the weekend. Yikes.

    1. David White says:

      So does the fifteen day Accuweather outlook which has steady rain from midweek through next weekend. But we know their track record, so let’s think positive the low will keep moving, as the CPC suggests it may with an outlook for Friday of mostly sunny weather, and temps in low sixities. I guess the Euro keeps things moving better than the North American models.

    2. pete says:


  2. Where is nice weather says:

    We are worrying about next 10 days? These guys can’t even get today’s weather right. Here is a clue, step outside before stating that it is going to be nice, oh & no clearing showing up on radar.

  3. Belly says:

    Accuweather puts their 5+ day outlook up based on model readings, the GFS almost always predicts a monster 7 days out

  4. smack says:

    Really nice weekend? Did the mets really go out on a limb to predict lots of sun? Saw a little sun this AM but solidly cloudy with no chance to see the sun now. Will tomorrow really be sunnier? So far this month of April to me has been oh so cloudy, coolish and showery.

    1. Topkatt88 says:

      Lots of cold air aloft through mid afternoon = lots of diurnal cloud development. I’m surprised alot of mets missed this to be honest. Anyway, drier air from the NNW should start to allow a little more sun by late afternoon.

  5. frank says:

    “Nice weekend”??????? Where? It is overcast and cold here. You are pitiful.

  6. Joshua says:

    I have to agree with the critics of the mets on this one. Completely blown forecast. Am always skeptical when the 7-day forecast has a lot of 60s in it. Boston is climatically averse to 60s. IN a typical year, my guesstimate is that you can count the number of days with maxima in the 60s on two sets of hands. 50s is much more prevalent in spring. In spring, there are probably more days in the 40s than 60s. And more days in the 70s than 60s.

    In any event, it’s not a particularly nice day, unless you’re visiting from Labrador. Mostly cloudy with some sunny breaks, still an uncomfortable wind, and 50s. Not awful, but hardly a delightful day. Next week looks gross, quite frankly. I hope the models don’t pan out, because this is getting ridiculous, even for Boston. Raw, cool, rainy or at least cloudy days persisting through early May at least. Can we catch a break? When will this pattern truly change? Can we trade with London for a week? They’re having the worst spring drought in decades. Sunny and in the 60s every day, and that’s been the case now for over 5 weeks. I’ll take that over this.

  7. southshoretom says:

    I do see that the CPC NAO outlook is somewhat less enthusiastic about a crashing of the NAO to strongly negative. Today’s trends are more towards neutral. Gives me hope that will avoid a 7-10 day cloudy, off and on rainy period…….One advantage to the clouds, less sunburns. With the temps not responding yet, I watch as a lot of people fry this time of year on a day like yesterday. I believe the sun strength is equivalent to August 13th today.

    1. Topkatt88 says:

      Diurnal clouds are a fact in the Spring. It wasn’t a washout today. Yeah it was a bit chilly and breezy but that’s what they make jackets for. In fairness to Joe, he did mention diurnal cloud development above. And even if it was cloudier than he or anyone expected, my friend’s situation in Alabama should put this in perspective. She and her family were lucky in that their home was spared (they live outside Birmingham). They have had no power since Wednesday, and no stores or gas stations are open within 40 miles of where they live.. Their friends a few towns over – not so lucky. They lost everything.

  8. ali says:

    Sorry but I’d prefer the sun any day to this junk.

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