Siesta Key Weather Forecast

    • 77
    • 91

    Thunderstorms

    • 76
    • 91

    Rain Showers

    • 77
    • 92

    Rain Showers

    • 76
    • 90

    Rain Showers

    • 76
    • 90

    Rain Showers

    • 76
    • 89

    Rain Showers

Today 13 Sep Inland Sarasota

Sunny with scattered Showers and Thunderstorms this Morning, then partly sunny with numerous Showers and Thunderstorms this afternoon. Highs in the lower 90s. Temperature falling into the mid 80s this afternoon. Southeast Winds around 5 Mph, becoming west this afternoon. Chance of rain 70 percent. Heat index Values up to 105.

Tonight 13 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. Northwest Winds around 5 Mph, becoming east after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siesta Key Temperature Statistics

September Temperature

Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)

  • Lowest 9 September, 2026

    77 °F

  • Average September

    84.7 °F

  • Highest 1 September, 2026

    94.6 °F

Climate (2021–2026)

Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)

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  • Average Low 2021–2026

    67.5 °F

  • Average 2021–2026

    75.4 °F

  • Average High 2021–2026

    83.8 °F
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