South Hero Weather Forecast

    • 30
    • 43

    Rain Showers

    • 31
    • 46

    Chance Snow Showers

    • 26
    • 41

    Chance Snow Showers

    • 28
    • 36

    Snow Showers Likely

    • 35
    • 44

    Rain Showers Likely

Today 26 Mar Grand Isle

Mostly cloudy. A slight chance of snow Showers in the Morning, then a chance of rain or snow Showers in the afternoon. Highs in the lower 40s. Southwest Winds around 10 Mph. Chance of precipitation 40 percent.

Tonight 26 Mar Grand Isle

Cloudy. Lows in the lower 30s. South Winds 10 to 15 Mph.

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South Hero Temperature Statistics

March Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 3 March, 2025

    -2.9 °F

  • Average March

    33.3 °F

  • Highest 19 March, 2025

    68 °F

Climate (2020–Present)

Plattsburgh International Airport (6.8 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    56.1 °F
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