Key West Weather Forecast

    • 81
    • 90

    Rain Showers Likely

    • 81
    • 88

    Thunderstorms Likely

    • 81
    • 88

    Thunderstorms Likely

    • 80
    • 88

    Rain Showers Likely

    • 80
    • 87

    Chance Thunderstorms

    • 80
    • 88

    Slight Chance Thunderstorms

Today 24 Aug Escambia Coastal

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. West Winds around 5 Mph, becoming southwest in the afternoon. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 24 Aug Escambia Coastal

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key West Temperature Statistics

August Temperature

Jack Edwards Airport (9.3 miles)

  • Lowest 3 August, 2026

    71.6 °F

  • Average August

    82.4 °F

  • Highest 15 August, 2026

    96.8 °F

Climate (2021–2026)

Jack Edwards Airport (9.3 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    67.7 °F

  • Average High 2021–2026

    77.9 °F
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