South Hero Weather Forecast

    • 1
    • 17

    Mostly Sunny

    • 21
    • 26

    Snow Showers Likely

    • 16
    • 28

    Chance Snow Showers

    • 9
    • 27

    Mostly Cloudy

    • 10
    • 27

    Mostly Cloudy

    • 17
    • 30

    Mostly Cloudy

Today 9 Feb Grand Isle

Mostly sunny. Highs around 15. North Winds around 10 Mph. Wind chill Values as low as 26 below in the morning.

Tonight 9 Feb Grand Isle

Partly cloudy. Cold with Lows around zero. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Hero Temperature Statistics

February Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 2 February, 2026

    -9.9 °F

  • Average February

    11.8 °F

  • Highest 4 February, 2026

    28.9 °F

Climate (2021–Present)

Plattsburgh International Airport (6.8 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.9 °F
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