Somerville Weather Forecast
- 63
- 78
Increasing Clouds
- 65
- 86
Slight Chance Rain Showers
- 64
- 75
Partly Sunny
- 64
- 76
Chance Rain Showers
- 66
- 76
Rain Showers Likely
- 64
- 80
Chance Rain Showers
- 62
- 75
Slight Chance Rain Showers
Today 29 Aug Southeast Middlesex
Sunny. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.
Tonight 29 Aug Southeast Middlesex
Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds around 5 Mph.
Somerville Temperature Statistics
August Temperature
Boston, Logan International Airport (4.3 miles)
Lowest 16 August, 2026
62.7 °FAverage August
76.2 °FHighest 7 August, 2026
94.6 °F
Climate (2021–2026)
Boston, Logan International Airport (4.3 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
61 °F