Key West - South Side Weather Forecast

    • 76
    • 84

    Mostly Sunny

    • 76
    • 85

    Mostly Sunny

    • 77
    • 85

    Mostly Sunny

    • 76
    • 85

    Mostly Sunny

    • 75
    • 85

    Mostly Sunny

    • 76
    • 85

    Mostly Sunny

Today 26 Apr Monroe Lower Keys

Mostly sunny. Highs in the mid 80s. Southeast Winds near 5 Mph, becoming light and variable.

Tonight 26 Apr Monroe Lower Keys

Mostly clear. Lows in the mid 70s. Light and variable Winds.

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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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