Key West Weather Forecast

    • 78
    • 85

    Increasing Clouds

    • 78
    • 85

    Slight Chance Thunderstorms

    • 78
    • 85

    Chance Thunderstorms

    • 77
    • 83

    Chance Thunderstorms

    • 77
    • 82

    Slight Chance Thunderstorms

    • 77
    • 82

    Mostly Sunny

Today 29 Oct Monroe Lower Keys

Partly cloudy with a slight chance of Showers. Highs in the mid 80s. Lows in the upper 70s.

Tonight 29 Oct Monroe Lower Keys

Partly cloudy with a slight chance of Showers. Highs in the mid 80s. Lows in the upper 70s.

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Key West Temperature Statistics

October Temperature

Key West International Airport (3.1 miles)

  • Lowest 22 October, 2026

    73.7 °F

  • Average October

    83.1 °F

  • Highest 9 October, 2026

    89.7 °F

Climate (2021–2026)

Key West International Airport (3.1 miles)

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  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.8 °F

  • Average High 2021–2026

    84.2 °F
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