Captiva Island (Inside) Weather Forecast

    • 83
    • 88

    Isolated Thunderstorms

    • 84
    • 88

    Thunderstorms

    • 84
    • 88

    Isolated Thunderstorms

    • 82
    • 88

    Partly Sunny

    • 82
    • 88

    Thunderstorms

    • 81
    • 88

    Thunderstorms

Today 20 Aug Coastal Lee

Mostly sunny with isolated Showers and Thunderstorms. Highs in the lower 90s. North Winds around 5 Mph, becoming west this afternoon. Chance of rain 20 percent. Heat index Values up to 109.

Tonight 20 Aug Coastal Lee

Partly cloudy. Humid with Lows in the upper 70s. Northwest Winds 5 to 10 Mph, becoming south 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

    85.8 °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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