Watertown Weather Forecast
- 30
- 43
Rain Likely
- 24
- 39
Snow
- 18
- 34
Partly Sunny
- 13
- 24
Mostly Sunny
- 26
- 31
Chance Snow Showers
- 22
- 39
Chance Snow Showers
Today 17 Jan Southeast Middlesex
A chance of snow and rain this Morning, then rain likely this afternoon. Not as cool with Highs in the lower 40s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Tonight 17 Jan Southeast Middlesex
Mostly cloudy. A slight chance of rain in the evening. Patchy fog in the evening. Lows around 30. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Watertown Temperature Statistics
January Temperature
Laurence G Hanscom Field Airport (8.7 miles)
Lowest 5 January, 2026
10 °FAverage January
31.2 °FHighest 15 January, 2026
51.1 °F
Climate (2021–Present)
Laurence G Hanscom Field Airport (8.7 miles)
Average Low 2021–2026
41.5 °FAverage 2021–2026
51.8 °FAverage High 2021–2026
61.8 °F