Watertown Weather Forecast
- 61
- 79
Becoming Sunny
- 64
- 83
Partly Sunny
- 67
- 83
Chance Rain Showers
- 64
- 83
Rain Showers Likely
- 61
- 80
Partly Sunny
- 65
- 83
Partly Sunny
Today 25 Aug Southeast Middlesex
Mostly sunny. Near steady temperature in the upper 70s. West Winds around 10 Mph.
Tonight 25 Aug Southeast Middlesex
Mostly clear. Lows around 60. West Winds 5 to 10 Mph.
Watertown Temperature Statistics
August Temperature
Laurence G Hanscom Field Airport (8.7 miles)
Lowest 16 August, 2026
50 °FAverage August
73.2 °FHighest 7 August, 2026
91 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (8.7 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
61.7 °F