Watertown Weather Forecast

    • 68
    • 96

    Chance Rain Showers

    • 63
    • 84

    Increasing Clouds

    • 60
    • 75

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 64
    • 81

    Mostly Sunny

    • 71
    • 93

    Slight Chance Rain Showers

    • 69
    • 91

    Chance Thunderstorms

Today 4 Jul Southeast Middlesex

Partly sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature in the lower 90s. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 4 Jul Southeast Middlesex

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this evening. Cooler with Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Watertown Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 1 July, 2026

    71.1 °F

  • Average July

    84.1 °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

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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