Groton Weather Forecast

    • 57
    • 77

    Rain Showers

    • 47
    • 76

    Rain Showers Likely

    • 43
    • 70

    Partly Sunny

    • 42
    • 69

    Partly Sunny

    • 46
    • 73

    Partly Sunny

    • 42
    • 68

    Partly Sunny

Today 24 Aug Caledonia

Partly sunny this Morning, then becoming mostly cloudy. A chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 70s. South Winds around 10 Mph. Gusts up to 25 Mph this morning. Chance of rain 50 percent.

Tonight 24 Aug Caledonia

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers until Midnight, then Showers after midnight. Lows in the upper 50s. South Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 80 percent.

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Groton Temperature Statistics

August Temperature

Barre / Montpelier, Knapp State Airport (14.9 miles)

  • Lowest 18 August, 2025

    41.6 °F

  • Average August

    66.8 °F

  • Highest 11 August, 2025

    91.7 °F

Climate (2020–Present)

Barre / Montpelier, Knapp State Airport (14.9 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.6 °F
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