Groton Weather Forecast

    • 32
    • 43

    Mostly Cloudy

    • 40
    • 55

    Mostly Cloudy

    • 47
    • 50

    Rain Showers

    • 25
    • 58

    Chance Rain Showers

    • 25
    • 43

    Mostly Cloudy

    • 27
    • 40

    Chance Snow Showers

Today 29 Mar Caledonia

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 40s. Southwest Winds 10 to 15 Mph.

Tonight 29 Mar Caledonia

Partly cloudy. Lows around 30. Southwest Winds around 10 Mph until Midnight, becoming light and variable.

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Groton Temperature Statistics

March Temperature

Barre / Montpelier, Knapp State Airport (14.9 miles)

  • Lowest 2 March, 2026

    -9.3 °F

  • Average March

    33.2 °F

  • Highest 10 March, 2026

    67.6 °F

Climate (2021–Present)

Barre / Montpelier, Knapp State Airport (14.9 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.6 °F
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