Watertown Weather Forecast

    • 62
    • 76

    Rain Showers

    • 61
    • 72

    Rain Showers

    • 63
    • 80

    Partly Sunny

    • 66
    • 83

    Partly Sunny

    • 67
    • 85

    Chance Rain Showers

    • 65
    • 83

    Chance Rain Showers

Today 29 Jul Southeast Middlesex

Mostly cloudy. A chance of Showers with isolated Thunderstorms in the Morning, then Showers likely with isolated Thunderstorms in the afternoon. Humid with Highs in the mid 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 29 Jul Southeast Middlesex

Mostly cloudy with a slight chance of Showers with isolated Thunderstorms. Near steady temperature in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Watertown Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 26 July, 2026

    46.9 °F

  • Average July

    73.4 °F

  • Highest 2 July, 2026

    98.1 °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

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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