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Boston Sizzles as Heatwave Hits with Temps Near 100, Relief and Rain Expected Later in Week

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Published on July 29, 2025
Boston Sizzles as Heatwave Hits with Temps Near 100, Relief and Rain Expected Later in WeekSource: Google Street View

Boston is currently grappling with a heatwave that's setting temperatures soaring into the upper 90s, with Tuesday expected to peak with heat index values as high as 101, as reported by the National Weather Service. "Sunny and hot, with a high near 98," remarks the NWS report, forewarning a sweltering day where even the coast can expect to feel the oppressive heat without the usual reprieve of a cooling sea breeze. The National Weather Service also predicts a "slight chance of showers and thunderstorms" in the coming days post-Tuesday’s scorching heat.

In the wake of this intense heat, there's a pressing advisory for the public to remain vigilant. Conditions are ripe, not just for record-setting temperatures, but also for heat-related illnesses. "Heat exhaustion and/or heat stroke can set in quickly – especially for the very young and old," cautions a report by NBC Boston. To combat the risks, advisories suggest to "seek shade, stay hydrated and take frequent breaks" if one has to inevitably venture outdoors.

While Tuesday might not bring any thunderstorms to cool things down, NBC Boston notes that Wednesday could see a better chance for showers in the afternoon as a cold front approaches. This shift is anticipated to bring an onslaught of rain, which is much needed given the area's recent dry spell. However, there is a note of caution to "be careful what you wish for," as the downpours along the stalling front could bring anything from one to "three to four plus inches" of rain, potentially prompting concerns for flooding.

Relief from the heat is expected to gradually descend upon Boston later in the week, with the National Weather Service forecasting "cooler air" by Thursday, and a significant dip in humidity by Friday. The storm system is slated to clear up by the weekend, ushering in what NBC Boston describes as "the best news yet: the weekend looks stellar. Make plans for sun and low humidity!"

As residents anticipate this temperature rollercoaster, keeping track of the weather and planning ahead could be the key to staying safe and comfortable. For updated forecasts and advisories, Bostonians are encouraged to visit the National Weather Service and NBC Boston for latest developments.

Boston-Weather & Environment