South Hero Weather Forecast

    • 51
    • 64

    Rain Showers Likely

    • 39
    • 58

    Chance Rain Showers

    • 38
    • 54

    Mostly Sunny

    • 47
    • 62

    Slight Chance Rain Showers

    • 44
    • 63

    Slight Chance Rain Showers

    • 43
    • 60

    Slight Chance Rain Showers

Today 4 Oct Grand Isle

Mostly cloudy late this Morning, then becoming partly sunny. Breezy with Highs in the mid 60s. South Winds 15 to 25 Mph.

Tonight 4 Oct Grand Isle

Partly cloudy. A slight chance of Showers until Midnight, then Showers likely after midnight. Breezy with Lows in the lower 50s. South Winds 15 to 25 Mph. Chance of rain 70 percent.

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South Hero Temperature Statistics

October Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 1 October, 2026

    53.1 °F

  • Average October

    62.2 °F

  • Highest 2 October, 2026

    72 °F

Climate (2021–2026)

Plattsburgh International Airport (6.8 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.8 °F
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