Watertown Weather Forecast

    • 63
    • 73

    Chance Rain Showers

    • 63
    • 76

    Chance Rain Showers

    • 59
    • 81

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 83

    Chance Rain Showers

Today 22 Aug Southeast Middlesex

Cloudy with a slight chance of Showers with patchy drizzle. Near steady temperature around 70. Northeast Winds around 10 Mph. Chance of rain 20 percent.

Tonight 22 Aug Southeast Middlesex

Cloudy with a slight chance of Showers with patchy drizzle. Patchy fog. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Watertown Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 16 August, 2026

    50 °F

  • Average August

    74.1 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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