The wind is beginning to shift to a warmer direction, from east today, to south overnight. That allows slightly more humid air to trickle in.
Lows drop into the 50s and 60s with patchy fog. It’s a bit humid tomorrow, with a continued south wind. Highs will pop into the 80s.
Humidity builds even further Labor Day Monday. High in the 80s to near 90 ahead of an approaching cold front. That front will get close enough to trigger a few pop up downpours or storms, especially in far Western and Northern New England.
The storm threat approaches Southern New England on Tuesday as the front sags south. It will also still be humid and hot on Tuesday, with highs around 90 in much of Massachusetts, Connecticut, and Rhode Island. It will turn a bit more comfortable in Northern New England. Temperatures stay above average for much of the workweek after that point, before getting close to average by next weekend.