Watertown Weather Forecast

    • 52
    • 63

    Chance Rain Showers

    • 44
    • 67

    Mostly Sunny

    • 40
    • 59

    Sunny

    • 49
    • 64

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

Today 4 Oct Southeast Middlesex

Partly sunny this Morning, then mostly cloudy with a slight chance of Showers this afternoon. Highs in the lower 60s. Northeast Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 20 percent.

Tonight 4 Oct Southeast Middlesex

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the lower 50s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Real-Time

Watertown Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 1 October, 2026

    57 °F

  • Average October

    65.6 °F

  • Highest 1 October, 2026

    75.9 °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

    61.6 °F
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