According to Meteorologist Matt Noyes, today – Tuesday, June 24th, 2025 – will go down as one of the hottest days in New England’s recorded history. Boston soared to 102°F, breaking the all-time June temperature record and coming just two degrees shy of the city’s all-time high of 104° (set in 1911). Record-smashing heat was widespread: Providence hit 100°, JFK Airport 102°, Concord and Manchester, NH, 100–102°, and Fryeburg, ME, also hit 100°. Even traditionally cooler coastal towns like Marshfield and New Bedford surpassed 100°F.
This exceptional heat was driven by a westerly wind, eliminating the ocean’s typical cooling effect and allowing the heat to reach the shoreline.
Tuesday evening, thunderstorms are developing across northern New England, feeding on the tropical humidity. While not widespread, some have become strong to severe, with frequent lightning and gusty winds. Storms are expected to dissipate by late evening.
Wednesday will be a day of transition. Heat lingers in southern New England, but a cold front slides southward through the day, sparking more showers and thunderstorms—especially from the Lakes Region southward. Northern New England will already feel the change with dew points in the 50s, signaling much more comfortable air.
By Thursday, a new, much cooler air mass will settle across the region. Highs will only reach the 60s and 70s, and dew points drop dramatically. A few scattered showers are possible along the South Coast, but the real relief will be felt across all of New England.
The weekend looks showery at times—especially Saturday, with heat clashing against the new cool air mass. Sunday trends drier. It’s a dramatic shift, and after the heat we’ve endured, many will welcome the cooldown.