Watertown Weather Forecast

    • 64
    • 83

    Slight Chance Rain Showers

    • 61
    • 83

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 65
    • 82

    Rain Showers Likely

    • 63
    • 82

    Slight Chance Rain Showers

    • 63
    • 83

    Mostly Sunny

Today 13 Aug Southeast Middlesex

Partly sunny with a 20 percent chance of Showers. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 13 Aug Southeast Middlesex

Partly cloudy. A slight chance of Showers in the evening. Lows in the lower 60s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    76.4 °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

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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