Boston is starting Thursday with mostly cloudy skies and temperatures in the low 70s, but the city is headed for a much hotter afternoon. Sunshine will break through as the temperature climbs toward 90, with humidity making it feel as warm as 96. A few showers or thunderstorms could pop up after 5 p.m., though the chance of rain remains low.
The heat will not disappear after sunset. Thursday night should be mostly clear with a low near 74, offering limited relief for anyone without reliable air conditioning.
Heat Advisory Runs Through Friday Evening
The National Weather Service Boston/Norton has issued a Heat Advisory from 11 a.m. Thursday through 8 p.m. Friday, with heat index values reaching up to 99 degrees across parts of southern New England, according to the National Weather Service Boston/Norton. Boston’s forecast calls for another sunny, 91-degree day Friday, with the heat index near 95.
Residents should drink plenty of water, take breaks in air conditioning or shade, and move strenuous outdoor activities to the morning or evening. Officials also recommend checking on older neighbors and relatives, while children and pets should never be left unattended in vehicles.
Storm Chances Increase Into The Weekend
Friday evening brings a 30% chance of showers and thunderstorms, especially between 7 p.m. and 2 a.m. Saturday. Saturday should remain mostly sunny and hot, with a high near 89 and the best chance of pop-up storms during the afternoon.
Sunday looks sunnier and dry with a high near 90, followed by a cooler 85-degree Monday. Shower and thunderstorm chances return Monday night into Tuesday, while temperatures ease to the low 80s by Wednesday.
