Fleming Key Weather Forecast

    • 69
    • 77

    Mostly Sunny

    • 68
    • 77

    Mostly Sunny

    • 68
    • 77

    Mostly Sunny

    • 69
    • 77

    Mostly Sunny

    • 69
    • 78

    Mostly Sunny

    • 63
    • 75

    Partly Sunny

    • 64
    • 71

    Mostly Sunny

Today 25 Dec Monroe Lower Keys

Mostly sunny with a slight chance of Showers. Highs in the upper 70s. Northeast Winds 10 to 15 Mph, becoming north to northeast and decreasing to 5 to 10 Mph. Chance of rain 10 percent.

Tonight 25 Dec Monroe Lower Keys

Mostly clear with a slight chance of Showers. Lows in the upper 60s. North to northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

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Fleming Key Temperature Statistics

December Temperature

Key West International Airport (3.1 miles)

  • Lowest 11 December, 2025

    66 °F

  • Average December

    74.6 °F

  • Highest 7 December, 2025

    82 °F

Climate (2020–Present)

Key West International Airport (3.1 miles)

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  • Average Low 2020–2025

    75.6 °F

  • Average 2020–2025

    79.5 °F

  • Average High 2020–2025

    83.8 °F
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