Captiva Island (Inside) Weather Forecast

    • 82
    • 89

    Mostly Sunny

    • 82
    • 89

    Rain Showers

    • 82
    • 89

    Rain Showers

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Isolated Thunderstorms

Today 13 Aug Coastal Lee

Mostly sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. North Winds around 5 Mph, increasing to northwest 10 to 15 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 13 Aug Coastal Lee

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the upper 70s. Northwest Winds 10 to 15 Mph, becoming northeast around 5 Mph after midnight.

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Captiva Island (Inside) Temperature Statistics

August Temperature

Fort Myers, Page Field (20.5 miles)

  • Lowest 7 August, 2026

    73.7 °F

  • Average August

    84.8 °F

  • Highest 9 August, 2026

    97.6 °F

Climate (2021–2026)

Fort Myers, Page Field (20.5 miles)

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  • Average Low 2021–2026

    68.4 °F

  • Average 2021–2026

    77.1 °F

  • Average High 2021–2026

    86.5 °F
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