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Two more days of near record warmth, and then the heat and humid we've been experiencing will start to drop down. While high temperatures this afternoon will reach the mid and upper 80s, we still should stay just under record territory. This time of year the average high would be in a range from the lower to upper 70s, but 80s is more unusual.
The record high for Sept. 17 in Boston is 91 degrees, set in 1915. Sept. 18's heat record is held by that same year at 90 degrees, which tied for the top place for that day with 90 degrees in 1955.
You’ll notice some humidity in the air, and it will feel quite warm in the sun this afternoon. However, the length of daytime is rapidly decreasing, as is the strength of the sun's warmth. As we head closer and closer to the first day of fall, we are losing nearly three minutes of daylight with each 24-hour cycle.
High pressure will remain in control of the weather through the weekend, as a cold front slips east from Canada later Sunday. This front will put an end to the above average temperatures, and we even trend slightly below average for a couple of days next week.
The core of the September warmth is now behind us. In the coming weeks, warmer than average weather will bring temperatures well into the 70s to lower 80s, but extended periods of near 90 degree weather are likely a thing of the past after Friday.
We remain very dry with no chance of rain until perhaps the middle of next week. Across northern New England a spot shower may fall on Sunday, but it won't be heavy or last long.
Today: Sunny, and warm. Highs 82-88.
Tonight: Clear and mild. Lows 58-66.
Friday: Sunny, with a high in the middle to upper 80s.
Saturday: Patchy fog before 8 a.m. Otherwise, mostly sunny, with a high near 79.
Sunday: Patchy fog before 9 a.m. Otherwise, partly sunny, with a high 75-79.
Monday: Mostly sunny, with a high near 65-70.
You can follow David’s weather updates on Twitter at @growingwisdom.
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