Fleming Island Weather Forecast

    • 49
    • 71

    Becoming Sunny

    • 55
    • 70

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 51
    • 77

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 54
    • 75

    Partly Sunny

Today 21 Dec Eastern Clay

Areas of fog this morning. Sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 21 Dec Eastern Clay

Mostly clear. Lows around 50. Northeast Winds 10 to 15 Mph.

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Fleming Island Temperature Statistics

December Temperature

Jacksonville Naval Air Station (9.9 miles)

  • Lowest 16 December, 2025

    39.9 °F

  • Average December

    58.3 °F

  • Highest 5 December, 2025

    79 °F

Climate (2020–Present)

Jacksonville Naval Air Station (9.9 miles)

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  • Average Low 2020–2025

    64.9 °F

  • Average 2020–2025

    72.5 °F

  • Average High 2020–2025

    81 °F
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