Fleming Island Weather Forecast

    • 36
    • 78

    Partly Sunny

    • 31
    • 55

    Mostly Sunny

    • 35
    • 57

    Sunny

    • 40
    • 63

    Partly Sunny

    • 49
    • 67

    Mostly Cloudy

    • 52
    • 71

    Chance Rain Showers

Today 29 Dec Eastern Clay

Areas of fog in the morning. Mostly sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Dec Eastern Clay

Partly cloudy. Much cooler. Less humid with Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fleming Island Temperature Statistics

December Temperature

Jacksonville Naval Air Station (9.9 miles)

  • Lowest 16 December, 2025

    39.9 °F

  • Average December

    59.4 °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

    65 °F

  • Average 2020–2025

    72.5 °F

  • Average High 2020–2025

    81 °F
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