Knight Island State Park Weather Forecast

    • 37
    • 52

    Breezy

    • 48
    • 58

    Breezy

    • 42
    • 64

    Rain

    • 28
    • 46

    Partly Sunny

    • 38
    • 51

    Partly Sunny

    • 38
    • 61

    Breezy

Today 14 Mar Grand Isle

Sunny. Highs in the mid 50s. South Winds 10 to 15 Mph.

Tonight 14 Mar Grand Isle

Partly cloudy. Lows in the upper 30s. South Winds 15 to 20 Mph.

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Knight Island State Park Temperature Statistics

March Temperature

Franklin County State Airport (11.8 miles)

  • Lowest 3 March, 2025

    -3.1 °F

  • Average March

    29.5 °F

  • Highest 11 March, 2025

    61.9 °F

Climate (2020–Present)

Franklin County State Airport (11.8 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    55.2 °F
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