South Hero Weather Forecast

    • 63
    • 85

    Increasing Clouds

    • 63
    • 86

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 67
    • 88

    Partly Sunny

    • 67
    • 91

    Rain Showers Likely

    • 64
    • 86

    Rain Showers Likely

Today 5 Jul Grand Isle

Mostly sunny. Highs in the lower 80s. North Winds around 10 Mph.

Tonight 5 Jul Grand Isle

Partly cloudy. Lows in the lower 60s. Northeast Winds around 10 Mph.

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  • Temperature Real-Time

South Hero Temperature Statistics

July Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 2 July, 2026

    69.1 °F

  • Average July

    79.1 °F

  • Highest 2 July, 2026

    96.1 °F

Climate (2021–2026)

Plattsburgh International Airport (6.8 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    55.8 °F
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