Cape Sable Weather Forecast

    • 71
    • 80

    Partly Sunny

    • 71
    • 79

    Mostly Sunny

    • 73
    • 80

    Partly Sunny

    • 70
    • 80

    Rain Showers

    • 62
    • 77

    Rain Showers

    • 63
    • 75

    Partly Sunny

Today 4 Dec Mainland Monroe

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 4 Dec Mainland Monroe

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. East Winds around 5 Mph.

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  • Temperature Real-Time

Cape Sable Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 1 December, 2025

    78.1 °F

  • Average December

    79.5 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (26.7 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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