Groton State Forest Weather Forecast

    • 61
    • 62

    Rain Showers

    • 48
    • 71

    Partly Sunny

    • 44
    • 65

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 50
    • 69

    Partly Sunny

    • 57
    • 73

    Chance Rain Showers

Today 9 Sep Caledonia

Cloudy. Patchy dense fog this morning. Numerous Showers this afternoon. Highs in the upper 60s. South Winds around 10 Mph. Chance of rain 70 percent.

Tonight 9 Sep Caledonia

Showers. Isolated Thunderstorms after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph, becoming southwest after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Groton State Forest Temperature Statistics

September Temperature

Barre / Montpelier, Knapp State Airport (14.3 miles)

  • Lowest 7 September, 2026

    46.9 °F

  • Average September

    64.2 °F

  • Highest 3 September, 2026

    79.6 °F

Climate (2021–2026)

Barre / Montpelier, Knapp State Airport (14.3 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.7 °F
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