South Hero Weather Forecast

    • 68
    • 86

    Partly Sunny

    • 69
    • 86

    Chance Rain Showers

    • 70
    • 91

    Chance Rain Showers

    • 65
    • 88

    Chance Thunderstorms

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 77

    Mostly Sunny

Today 26 Jul Grand Isle

Areas of smoke in the morning. Mostly sunny. Highs in the lower 80s. Light and variable Winds.

Tonight 26 Jul Grand Isle

Partly cloudy. Lows in the upper 60s. Light and variable Winds, becoming south 10 to 15 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Hero Temperature Statistics

July Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 19 July, 2025

    51.1 °F

  • Average July

    71.9 °F

  • Highest 6 July, 2025

    95 °F

Climate (2020–Present)

Plattsburgh International Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    56.1 °F
Get WillyWeather+ to remove ads