Riviera Canal, Key West Weather Forecast

    • 68
    • 77

    Chance Rain Showers

    • 70
    • 78

    Partly Sunny

    • 72
    • 78

    Partly Sunny

    • 74
    • 80

    Mostly Cloudy

    • 72
    • 80

    Partly Sunny

    • 73
    • 80

    Partly Sunny

    • 73
    • 80

    Partly Sunny

Today 15 Dec Monroe Lower Keys

Becoming partly sunny with a slight chance of Showers. Windy. Highs in the mid to upper 70s. Northeast Winds near 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 15 Dec Monroe Lower Keys

Partly to mostly cloudy with a chance of Showers. Windy. Lows in the upper 60s. Northeast Winds near 20 Mph. Chance of rain 30 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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