Pine Island Sound - Demere Key Weather Forecast

    • 77
    • 86

    Thunderstorms

    • 78
    • 86

    Rain Showers

    • 78
    • 87

    Rain Showers

    • 78
    • 87

    Rain Showers

    • 77
    • 88

    Thunderstorms

    • 77
    • 88

    Thunderstorms

Today 20 Sep Coastal Lee

Mostly sunny. Isolated Showers and Thunderstorms this Morning, then numerous Showers and scattered Thunderstorms this afternoon. Highs in the upper 80s. East Winds around 5 Mph, becoming west around 5 Mph this afternoon. Chance of rain 60 percent.

Tonight 20 Sep Coastal Lee

Partly cloudy with numerous Showers and scattered Thunderstorms in the Evening, then mostly clear with isolated Showers and Thunderstorms after midnight. Lows in the mid 70s. Northeast Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 60 percent.

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Pine Island Sound - Demere Key Temperature Statistics

September Temperature

Fort Myers, Page Field (16.8 miles)

  • Lowest 18 September, 2026

    73.9 °F

  • Average September

    84.3 °F

  • Highest 9 September, 2026

    95.6 °F

Climate (2021–2026)

Fort Myers, Page Field (16.8 miles)

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  • Average Low 2021–2026

    68.5 °F

  • Average 2021–2026

    77.2 °F

  • Average High 2021–2026

    86.5 °F
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