Groton Weather Forecast

    • 62
    • 75

    Rain Showers

    • 50
    • 76

    Slight Chance Thunderstorms

    • 49
    • 73

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 56
    • 83

    Partly Sunny

    • 58
    • 84

    Chance Rain Showers

Today 21 Jul Caledonia

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 70s. South Winds around 10 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 21 Jul Caledonia

A slight chance of Thunderstorms. Showers. Lows in the lower 60s. South Winds around 10 Mph. Gusts up to 30 Mph until midnight. Chance of rain 90 percent.

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  • Temperature Real-Time

Groton Temperature Statistics

July Temperature

Barre / Montpelier, Knapp State Airport (14.9 miles)

  • Lowest 5 July, 2026

    51.7 °F

  • Average July

    69.7 °F

  • Highest 1 July, 2026

    92.6 °F

Climate (2021–2026)

Barre / Montpelier, Knapp State Airport (14.9 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.6 °F
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