Key West Weather Forecast

    • 78
    • 90

    Chance Rain Showers

    • 79
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

    • 80
    • 86

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

Today 7 Sep Escambia Coastal

Sunny with a slight chance of Thunderstorms. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Humid with Highs in the lower 90s. Northwest Winds around 5 Mph, becoming south in the afternoon. Chance of rain 50 percent.

Tonight 7 Sep Escambia Coastal

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Key West Temperature Statistics

September Temperature

Jack Edwards Airport (9.3 miles)

  • Lowest 2 September, 2026

    75.2 °F

  • Average September

    79.9 °F

  • Highest 2 September, 2026

    93.2 °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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