Riviera Canal, Key West Weather Forecast

    • 70
    • 78

    Slight Chance Rain Showers

    • 72
    • 78

    Partly Sunny

    • 73
    • 80

    Mostly Cloudy

    • 71
    • 80

    Partly Sunny

    • 72
    • 80

    Partly Sunny

    • 72
    • 81

    Partly Sunny

Today 16 Dec Monroe Lower Keys

Partly sunny with a slight chance of Showers. Windy. Highs in the mid to upper 70s. Northeast Winds near 20 Mph. Chance of rain 10 percent.

Tonight 16 Dec Monroe Lower Keys

Partly cloudy with a slight chance of Showers. Windy, becoming breezy. Lows around 70. Northeast to east Winds near 20 Mph, decreasing to 15 to 20 Mph. Chance of rain 10 percent.

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Riviera Canal, Key West Temperature Statistics

December Temperature

Key West International Airport (0 miles)

  • Lowest 11 December, 2025

    66 °F

  • Average December

    75.2 °F

  • Highest 7 December, 2025

    82 °F

Climate (2020–Present)

Key West International Airport (0 miles)

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  • Average Low 2020–2025

    75.5 °F

  • Average 2020–2025

    79.5 °F

  • Average High 2020–2025

    83.8 °F
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