South Hero Weather Forecast

    • 69
    • 90

    Mostly Sunny

    • 71
    • 93

    Chance Thunderstorms

    • 65
    • 89

    Rain Showers Likely

    • 61
    • 80

    Chance Rain Showers

    • 64
    • 83

    Partly Sunny

    • 63
    • 82

    Chance Rain Showers

Today 15 Jul Grand Isle

Sunny with Highs in the upper 80s. Light and variable Winds.

Tonight 15 Jul Grand Isle

Mostly clear. Hazy. Near steady temperature in the upper 60s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Hero Temperature Statistics

July Temperature

Plattsburgh International Airport (6.8 miles)

  • Lowest 5 July, 2025

    53.1 °F

  • Average July

    72.7 °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