Knight Island State Park Weather Forecast

    • 20
    • 37

    Chance Snow Showers

    • 9
    • 30

    Chance Snow

    • 10
    • 28

    Partly Sunny

    • 16
    • 30

    Chance Snow

    • 14
    • 29

    Chance Snow

    • 17
    • 30

    Chance Snow

Today 17 Feb Grand Isle

Mostly cloudy. A chance of snow Showers this Morning, then a slight chance of rain Showers and drizzle or snow Showers this afternoon. Little or no snow accumulation. Highs in the upper 30s. South Winds around 10 Mph this Morning, becoming light and variable. Chance of precipitation 50 percent.

Tonight 17 Feb Grand Isle

Partly cloudy. Lows in the lower 20s. Light and variable Winds.

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Knight Island State Park Temperature Statistics

February Temperature

Franklin County State Airport (11.8 miles)

  • Lowest 9 February, 2026

    -13.5 °F

  • Average February

    13 °F

  • Highest 14 February, 2026

    32.5 °F

Climate (2021–Present)

Franklin County State Airport (11.8 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.1 °F
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