Watertown Weather Forecast

    • 53
    • 64

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 46
    • 67

    Sunny

    • 49
    • 67

    Mostly Sunny

    • 57
    • 71

    Mostly Cloudy

    • 55
    • 69

    Chance Rain Showers

Today 7 Oct Southeast Middlesex

Sunny. Highs in the mid 60s. Southwest Winds around 5 Mph, increasing to around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 7 Oct Southeast Middlesex

Mostly clear. Not as cool with Lows in the lower 50s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Watertown Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 4 October, 2026

    41 °F

  • Average October

    62.9 °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

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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