Somerville, Massachusetts Weather:
Thursday, September 17, 2026
Sunny with a Chance of Thunderstorms
Day 70°
Night 61°
Precipitation 87 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (September 17, 2025)
Cloudy Weather

Day

72°

Night

61°

Wind

7 mph

UV Index

50

Precipitation

25 %