Big Coppitt Key Weather Forecast

    • 70
    • 78

    Slight Chance Rain Showers

    • 69
    • 76

    Slight Chance Rain Showers

    • 70
    • 76

    Partly Sunny

    • 72
    • 78

    Partly Sunny

    • 73
    • 81

    Mostly Cloudy

    • 73
    • 80

    Partly Sunny

    • 74
    • 80

    Partly Sunny

Today 14 Dec Monroe Lower Keys

Partly sunny with a slight chance of Showers. Highs in the upper 70s. North to northeast Winds near 5 Mph, becoming northwest to north 5 to 10 Mph late. Chance of rain 20 percent.

Tonight 14 Dec Monroe Lower Keys

Partly Cloudy, becoming mostly cloudy. A slight chance of Showers. Becoming breezy. Lows in the upper 60s to near 70. Northwest to north Winds near 10 Mph, becoming north to northeast 15 to 20 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Big Coppitt Key Temperature Statistics

December Temperature

Key West Naval Air Station (1.9 miles)

  • Lowest 11 December, 2025

    66.9 °F

  • Average December

    75.9 °F

  • Highest 7 December, 2025

    84.9 °F

Climate (2020–Present)

Key West Naval Air Station (1.9 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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