Watertown Weather Forecast

    • 67
    • 90

    Chance Thunderstorms

    • 70
    • 92

    Chance Rain Showers

    • 66
    • 87

    Chance Rain Showers

    • 64
    • 90

    Mostly Sunny

    • 65
    • 92

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

    • 59
    • 77

    Chance Rain Showers

Today 10 Jun Southeast Middlesex

Partly sunny. Near steady temperature in the upper 80s. Southwest Winds 10 to 15 Mph.

Tonight 10 Jun Southeast Middlesex

Mostly cloudy with a chance of Showers and Thunderstorms. Patchy fog after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 40 percent.

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Watertown Temperature Statistics

June Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 2 June, 2026

    39 °F

  • Average June

    66.4 °F

  • Highest 4 June, 2026

    88 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (8.7 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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