Key West - South Side Weather Forecast

    • 80
    • 89

    Mostly Sunny

    • 79
    • 87

    Chance Rain Showers

    • 80
    • 87

    Chance Rain Showers

    • 79
    • 88

    Chance Thunderstorms

    • 78
    • 88

    Rain Showers Likely

    • 77
    • 88

    Rain Showers Likely

Today 12 Oct Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Oct Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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Key West - South Side Temperature Statistics

October Temperature

Key West International Airport (1.9 miles)

  • Lowest 1 October, 2026

    74.6 °F

  • Average October

    84.3 °F

  • Highest 4 October, 2026

    88.6 °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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