Fleming Island Weather Forecast

    • 67
    • 85

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 69
    • 89

    Partly Sunny

    • 70
    • 88

    Partly Sunny

    • 71
    • 88

    Slight Chance Thunderstorms

    • 72
    • 87

    Chance Rain Showers

Today 15 Sep Eastern Clay

Sunny. Highs in the mid 80s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Eastern Clay

Mostly clear. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fleming Island Temperature Statistics

September Temperature

Jacksonville Naval Air Station (9.9 miles)

  • Lowest 11 September, 2025

    71.1 °F
  • Average September

    78.5 °F
  • Highest 5 September, 2025

    90 °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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