Watertown Weather Forecast

    • 36
    • 45

    Increasing Clouds

    • 34
    • 50

    Chance Rain Showers

    • 15
    • 41

    Slight Chance Rain Showers

    • 24
    • 31

    Partly Sunny

    • 28
    • 43

    Chance Snow Showers

    • 22
    • 38

    Chance Snow Showers

Today 13 Jan Southeast Middlesex

Mostly sunny. Highs in the mid 40s. Southwest Winds around 5 Mph.

Tonight 13 Jan Southeast Middlesex

Mostly cloudy. A slight chance of rain Showers after midnight. Near steady temperature in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Watertown Temperature Statistics

January Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 5 January, 2026

    10 °F

  • Average January

    27.9 °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

    41.5 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.8 °F
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