Siesta Key Weather Forecast

    • 79
    • 91

    Mostly Sunny

    • 80
    • 91

    Mostly Sunny

    • 79
    • 91

    Isolated Thunderstorms

    • 78
    • 91

    Isolated Thunderstorms

    • 78
    • 90

    Thunderstorms

    • 78
    • 90

    Thunderstorms

Today 16 Aug Inland Sarasota

Sunny. Highs in the mid 90s. Southeast Winds around 5 Mph, becoming west this afternoon. Heat index Values up to 111.

Tonight 16 Aug Inland Sarasota

Mostly clear. Humid with Lows in the upper 70s. Northwest Winds 5 to 10 Mph.

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Siesta Key Temperature Statistics

August Temperature

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

  • Lowest 6 August, 2026

    73.7 °F

  • Average August

    84.4 °F

  • Highest 6 August, 2026

    94.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    67.4 °F

  • Average 2021–2026

    75.3 °F

  • Average High 2021–2026

    83.7 °F
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