Casey Key Weather Forecast

    • 75
    • 90

    Thunderstorms

    • 75
    • 87

    Thunderstorms

    • 75
    • 86

    Rain Showers

    • 76
    • 87

    Thunderstorms

    • 76
    • 87

    Thunderstorms

    • 76
    • 88

    Thunderstorms

Today 18 Sep Inland Sarasota

Mostly sunny. Scattered Showers and Thunderstorms this afternoon. Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Sep Inland Sarasota

Partly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 70s. Northeast Winds 5 to 10 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 11 September, 2026

    74.5 °F

  • Average September

    82.3 °F

  • Highest 10 September, 2026

    91.4 °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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