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Forecast: Hot And Humid Weekend Ahead, With Saturday Storm Possible

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Great weather over the next three days will give those of you who like heat and humidity your kind of summer weekend with full on beach weather.

There has certainly been a lack of prolonged heat this summer and Boston still hasn’t had a heat wave. The fact Logan Airport hasn’t seen a heat wave doesn’t mean you haven’t. Many inland areas have already had two heat waves, which is three days or more in a row of 90 degree temperatures or higher.

High pressure keeps the humidity at bay for a bit longer. Today will still be dry and while it will be a bit milder overnight, it won’t be uncomfortable.

On Saturday, a weak frontal system passes the region and brings a good chance for thunderstorms in northern and central parts of New England.  Here in southern New England some of these storms might make it to the Route 2 area and west of Route 495. I would plan on it being dry, just don’t be surprised if it turns briefly stormy.

As high pressure moves off the coast later this weekend a southerly flow of more humid and hotter air ensues. This brings three days where high temperatures could reach 90 degrees or higher, with Monday likely the hottest of the three day period. Of course if Logan Airport reaches 90 degrees all three days, it would be the first heat wave of the year.

Those of you who don’t enjoy the heat and humidity won’t have to wait too long for cooler and drier air to return to the area. A line of showers and storms on Tuesday evening will eventually cool the air and return temperatures to seasonal averages.

Have a great weekend.


Today: Sunny, with a high in the mid-80s. Comfortable levels of humidity.

Tonight: Mainly clear and comfortable. Lows 58-64.

Saturday: Sunshine and clouds, warmer and a bit more humid. Slight risk of a storm north and west of Boston. Highs in the mid- to upper-80s.

Sunday: Sunny and hot, more humid. Highs 85-90. Cooler on the Cape and Islands.

Monday: Sunny, with a high 90-94. Cooler on the Cape and Islands.

David Epstein Twitter Meteorologist
David Epstein is WBUR's meteorologist.

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