Key West - South Side Weather Forecast

    • 72
    • 81

    Chance Rain Showers

    • 74
    • 82

    Chance Rain Showers

    • 75
    • 83

    Mostly Sunny

    • 75
    • 84

    Mostly Sunny

    • 75
    • 84

    Mostly Sunny

    • 76
    • 85

    Mostly Sunny

Today 23 Apr Monroe Lower Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the lower 80s. East Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 23 Apr Monroe Lower Keys

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 70s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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Key West - South Side Temperature Statistics

April Temperature

Key West International Airport (1.9 miles)

  • Lowest 13 April, 2026

    73.7 °F

  • Average April

    80 °F

  • Highest 9 April, 2026

    85.6 °F

Climate (2021–Present)

Key West International Airport (1.9 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    79.5 °F

  • Average High 2021–2026

    83.9 °F
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