Watertown Weather Forecast

    • 63
    • 81

    Patchy Fog

    • 64
    • 82

    Decreasing Clouds

    • 69
    • 90

    Rain Showers Likely

    • 75
    • 95

    Slight Chance Thunderstorms

    • 77
    • 100

    Hot

    • 74
    • 99

    Slight Chance Thunderstorms

    • 69
    • 92

    Chance Rain Showers

Today 28 Jun Southeast Middlesex

Partly sunny with isolated Showers. Near steady temperature in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 28 Jun Southeast Middlesex

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

June Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 2 June, 2026

    39 °F

  • Average June

    69.7 °F

  • Highest 11 June, 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

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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