Grand Isle Weather Forecast

    • 60
    • 80

    Rain Showers

    • 56
    • 76

    Rain Showers Likely

    • 56
    • 69

    Rain Showers Likely

    • 55
    • 71

    Rain Showers Likely

    • 52
    • 67

    Rain Showers Likely

    • 54
    • 73

    Chance Rain Showers

    • 59
    • 78

    Slight Chance Rain Showers

Today 6 Jun Grand Isle

Cloudy with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 6 Jun Grand Isle

Showers with a slight chance of Thunderstorms until Midnight, then Showers likely after midnight. Some Thunderstorms may produce heavy rainfall until midnight. Lows around 60. Southwest Winds around 10 Mph, becoming south after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Isle Temperature Statistics

June Temperature

Plattsburgh International Airport (9.3 miles)

  • Lowest 2 June, 2024

    48 °F

  • Average June

    67.3 °F

  • Highest 3 June, 2024

    84 °F

Climate (2019–Present)

Plattsburgh International Airport (9.3 miles)

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  • Average Low 2019–2024

    38.1 °F

  • Average 2019–2024

    47.4 °F

  • Average High 2019–2024

    55.9 °F
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