Watertown Weather Forecast

    • 66
    • 92

    Mostly Sunny

    • 64
    • 94

    Rain Showers

    • 59
    • 82

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 61
    • 83

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

    • 63
    • 88

    Slight Chance Rain Showers

Today 13 Jun Southeast Middlesex

Sunny, hot. Near steady temperature around 90. Northwest Winds 5 to 10 Mph.

Tonight 13 Jun Southeast Middlesex

Mostly clear. Lows in the mid 60s. West Winds 5 to 10 Mph.

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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

    68.8 °F

  • Highest 11 June, 2026

    91 °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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