Showers will be possible Monday through the early afternoon. Skies will gradually clear during the afternoon. With the onshore flow, temperatures will be unseasonably cool. High temperatures will reach the upper 60s and low 70s.
Tuesday will be nearly perfect. Highs will climb into the mid 70s under sun-filled skies. Wednesday that sunshine will fade behind some high clouds associated with a warm front. Thursday does look unsettled with widespread showers and thunderstorms. Some beneficial rain will be possible.
Heat will return by Friday. Temperatures will increase into the 80s with humidity ramping up as well. Warmth that could reach up to 90 degrees is possible starting by next Saturday. It has been 53 days since the last 90 degree day in Boston. It’s likely that parts of New England will experience a heat wave by the weekend and it’s possible it could stick around through the 4th of July holiday.