Knight Island State Park Weather Forecast

    • 33
    • 44

    Partly Sunny

    • 45
    • 51

    Rain Likely

    • 36
    • 50

    Rain Likely

    • 36
    • 45

    Rain

    • 32
    • 39

    Chance Rain/Snow

    • 34
    • 36

    Chance Rain/Snow

    • 37
    • 42

    Rain Likely

Today 6 Nov Grand Isle

Partly sunny and breezy. Highs in the lower 40s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph.

Tonight 6 Nov Grand Isle

Partly cloudy. Lows in the lower 30s. West Winds 15 to 20 Mph, becoming southwest around 10 Mph after midnight.

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Knight Island State Park Temperature Statistics

November Temperature

Franklin County State Airport (11.8 miles)

  • Lowest 2 November, 2025

    35.8 °F

  • Average November

    44.3 °F

  • Highest 3 November, 2025

    49.1 °F

Climate (2020–Present)

Franklin County State Airport (11.8 miles)

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  • Average Low 2020–2025

    37.3 °F

  • Average 2020–2025

    46.5 °F

  • Average High 2020–2025

    55.3 °F
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