Watertown Weather Forecast

    • 40
    • 53

    Chance Rain Showers

    • 17
    • 42

    Slight Chance Snow Showers

    • 27
    • 31

    Partly Sunny

    • 28
    • 42

    Chance Snow

    • 21
    • 35

    Chance Snow

    • 20
    • 32

    Slight Chance Snow

Today 14 Jan Southeast Middlesex

Partly sunny this Morning, then mostly cloudy with a slight chance of rain this afternoon. Highs in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 14 Jan Southeast Middlesex

Cloudy. A chance of rain in the Evening, then Showers likely after midnight. Lows in the upper 30s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

January Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 5 January, 2026

    10 °F

  • Average January

    28.9 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.8 °F
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