Fleming Island Weather Forecast

    • 78
    • 96

    Chance Thunderstorms

    • 76
    • 95

    Thunderstorms Likely

    • 75
    • 92

    Thunderstorms Likely

    • 75
    • 91

    Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

Today 15 Aug Eastern Clay

Sunny this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph, becoming northeast this afternoon. Chance of rain 50 percent. Heat index Values up to 113.

Tonight 15 Aug Eastern Clay

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 40 percent. Heat index Values up to 106 early in the evening.

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Fleming Island Temperature Statistics

August Temperature

Jacksonville Naval Air Station (9.9 miles)

  • Lowest 3 August, 2025

    74.6 °F

  • Average August

    84.4 °F

  • Highest 1 August, 2025

    98.7 °F

Climate (2020–Present)

Jacksonville Naval Air Station (9.9 miles)

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  • Average Low 2020–2025

    65.1 °F

  • Average 2020–2025

    72.6 °F

  • Average High 2020–2025

    81 °F
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