Casey Key Weather Forecast

    • 78
    • 88

    Thunderstorms

    • 78
    • 89

    Rain Showers

    • 78
    • 89

    Rain Showers

    • 77
    • 90

    Thunderstorms

    • 77
    • 91

    Thunderstorms

    • 76
    • 90

    Thunderstorms

Today 11 Sep Inland Sarasota

Mostly sunny. Scattered Showers and Thunderstorms this afternoon. Highs in the lower 90s. East Winds around 5 Mph, becoming south this afternoon. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 11 Sep Inland Sarasota

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casey Key Temperature Statistics

September Temperature

Venice Municipal Airport (5.6 miles)

  • Lowest 1 September, 2026

    76.3 °F

  • Average September

    82.8 °F

  • Highest 4 September, 2026

    90.7 °F

Climate (2021–2026)

Venice Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    69.1 °F

  • Average 2021–2026

    76.2 °F

  • Average High 2021–2026

    83.7 °F
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