Boston, MA – Dangerous heat will grip Boston on Wednesday, with afternoon highs near 92°F and heat index values reaching 95°F. The combination of heat and humidity will make outdoor activities risky during peak afternoon hours. Hydration and shaded breaks are essential for anyone working or exercising outside.
According to the National Weather Service, southwest winds of 6 to 10 mph will accompany the heat before a slight chance of showers moves in after midnight. Wednesday night temperatures will hold around 73°F, keeping the air warm and muggy. The agency reports a 20% chance of rain overnight, which could briefly cool conditions in some neighborhoods.
The heat wave will ease slightly Thursday, with highs near 88°F but a higher chance of showers and scattered thunderstorms during the day. Any storms could produce brief downpours, affecting afternoon commuters and outdoor events.
Residents should take extra care to avoid heat-related illness by limiting strenuous activities during the hottest hours and checking on elderly neighbors or those without air conditioning. Updates from the NWS will be issued if thunderstorm activity intensifies.
Five Day Forecast for Boston, MA:
- Tuesday Night: Clear. Low 70°F
- Wednesday: Hot, high 92°F. Heat index 95°F.
- Wednesday Night: Mostly cloudy, slight chance of showers. Low 73°F.
- Thursday: Chance of showers and thunderstorms. High 88°F, low 69°F.
- Friday: Sunny. High 81°F, low 62°F.
