Key West - South Side Weather Forecast

    • 73
    • 82

    Increasing Clouds

    • 73
    • 83

    Partly Sunny

    • 73
    • 82

    Partly Sunny

    • 74
    • 84

    Mostly Sunny

    • 75
    • 84

    Mostly Sunny

    • 75
    • 85

    Mostly Sunny

Today 13 Apr Monroe Lower Keys

Mostly sunny with a slight chance of Showers. Breezy. Highs in the lower 80s. Northeast to east Winds 15 to 20 Mph. Chance of rain 10 percent.

Tonight 13 Apr Monroe Lower Keys

Partly cloudy with a slight chance of Showers. Breezy. Lows in the lower 70s. Highs in the lower 80s. East Winds 15 to 25 Mph. Chance of rain 10 percent.

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Key West - South Side Temperature Statistics

April Temperature

Key West International Airport (1.9 miles)

  • Lowest 9 April, 2026

    74.6 °F

  • Average April

    80.1 °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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