Boston, MA – A sunny stretch continues Sunday with highs near 89°F, giving residents a warm but manageable day before a sharp climb into the 90s early next week. Light southwest winds will help temperatures feel summerlike without the oppressive humidity—yet.
According to the National Weather Service, the heat intensifies Monday with highs around 92°F, and by Wednesday, Boston could see temperatures hit 94°F under clear skies. Southwest winds at 6 to 8 mph will carry warm air into the region, raising heat index values and increasing the risk of dehydration and heat-related illness, particularly midweek.
Sunday offers ideal conditions for outdoor dining, beach trips, or early back-to-school shopping before the more taxing heat arrives. Hydration will be key from Monday onward, especially for those attending outdoor events or working outside.
The hot, dry pattern holds through Thursday before slightly cooler air returns Friday. Heat advisories may be issued if temperatures and humidity rise faster than expected.
Five Day Boston, MA Forecast:
- Sunday: Sunny, warm. High 89°F, low 69°F
- Monday: Sunny, hot. High 92°F, low 71°F
- Tuesday: Hot, mostly sunny. High 92°F, low 71°F
- Wednesday: Sunny, extreme heat. High 94°F, low 73°F
- Thursday: Mostly sunny, hot. High 90°F, low 69°F
