Cudjoe Key Weather Forecast

    • 74
    • 80

    Partly Sunny

    • 75
    • 81

    Mostly Sunny

    • 76
    • 81

    Partly Sunny

    • 73
    • 82

    Chance Rain Showers

    • 68
    • 79

    Chance Rain Showers

    • 67
    • 75

    Mostly Cloudy

Today 4 Dec Monroe Lower Keys

Mostly sunny. Highs near 80. Northeast to east Winds near 10 Mph.

Tonight 4 Dec Monroe Lower Keys

Partly cloudy. Lows in the lower 70s. Northeast to east Winds near 10 Mph.

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Cudjoe Key Temperature Statistics

December Temperature

Key West Naval Air Station (13 miles)

  • Lowest 1 December, 2025

    73 °F

  • Average December

    78.2 °F

  • Highest 1 December, 2025

    84 °F

Climate (2020–Present)

Key West Naval Air Station (13 miles)

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  • Average Low 2020–2025

    77.3 °F

  • Average 2020–2025

    81.8 °F

  • Average High 2020–2025

    86.5 °F
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