Watertown Weather Forecast

    • 42
    • 55

    Slight Chance Rain Showers

    • 45
    • 67

    Rain

    • 24
    • 49

    Chance Rain

    • 27
    • 39

    Partly Sunny

    • 32
    • 47

    Partly Sunny

    • 42
    • 55

    Slight Chance Rain

Today 25 Mar Southeast Middlesex

Mostly sunny. Highs in the mid 50s. Southwest Winds 5 to 10 Mph.

Tonight 25 Mar Southeast Middlesex

Mostly cloudy. A slight chance of Showers after midnight. Not as cool with Lows in the lower 40s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

March Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 2 March, 2026

    3.9 °F

  • Average March

    37.7 °F

  • Highest 10 March, 2026

    75.9 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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