Watertown Weather Forecast

    • 61
    • 85

    Increasing Clouds

    • 70
    • 88

    Rain Showers

    • 63
    • 86

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

    • 69
    • 85

    Rain Showers Likely

    • 67
    • 84

    Rain Showers Likely

Today 17 Jul Southeast Middlesex

Sunny. Highs in the mid 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jul Southeast Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Watertown Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 12 July, 2026

    57 °F

  • Average July

    76.5 °F

  • Highest 2 July, 2026

    98.1 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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