Key West - South Side Weather Forecast

    • 76
    • 83

    Chance Rain Showers

    • 76
    • 84

    Chance Rain Showers

    • 77
    • 85

    Chance Rain Showers

    • 77
    • 85

    Slight Chance Thunderstorms

    • 77
    • 85

    Slight Chance Thunderstorms

    • 77
    • 85

    Slight Chance Thunderstorms

Today 26 Oct Monroe Lower Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Windy with Highs in the mid 80s. Northeast Winds near 20 Mph, increasing to 20 to 25 Mph. Chance of rain 30 percent.

Tonight 26 Oct Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Windy with Lows in the mid 70s. Northeast Winds 20 to 25 Mph. Chance of rain 20 percent.

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Key West - South Side Temperature Statistics

October Temperature

Key West International Airport (1.9 miles)

  • Lowest 22 October, 2026

    73 °F

  • Average October

    83.6 °F

  • Highest 9 October, 2026

    89.7 °F

Climate (2021–2026)

Key West International Airport (1.9 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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