Boston, Mass. – Comfortable summer air lingers across Massachusetts through Saturday, with lower humidity and seasonable temperatures in the 70s and 80s making for a pleasant start to the weekend. Coastal areas will remain coolest, with sea breezes keeping shorelines in the lower 70s.
According to the National Weather Service in Boston, heat and humidity surge back on Sunday, pushing inland highs into the upper 80s to low 90s. Afternoon and evening scattered thunderstorms could develop, bringing brief heavy rain, lightning, and gusty winds to parts of the state. The storm risk is most likely away from the coast.
Travelers should monitor the sky on Sunday and have a backup plan for outdoor events. Lightning safety remains key — move indoors at the first sound of thunder.
A sharp cooldown arrives Monday as much cooler, drier air moves in, with highs dipping into the low to mid-70s statewide. The comfortable, less humid weather will continue into Tuesday under mostly sunny skies.
Five Day Forecast for Boston, MA
- Today: Mostly sunny, 77–86°F, coolest coast, much less humid
- Saturday: Partly sunny, 79–87°F, coolest coast
- Sunday: Hot and humid, 87–93°F, 40% chance PM scattered thunderstorms
- Monday: Much cooler, 71–79°F, less humid
- Tuesday: Dry and pleasant, 73–81°F, coolest coast
