Watertown Weather Forecast

    • 38
    • 61

    Becoming Sunny

    • 31
    • 54

    Sunny

    • 33
    • 58

    Sunny

    • 38
    • 63

    Sunny

    • 44
    • 67

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

Today 22 Oct Southeast Middlesex

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Oct Southeast Middlesex

Mostly clear. Lows in the upper 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Watertown Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 18 October, 2026

    25 °F

  • Average October

    54.1 °F

  • Highest 2 October, 2026

    82.9 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.6 °F
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