Sombrero Beach Weather Forecast

    • 72
    • 81

    Slight Chance Thunderstorms

    • 69
    • 81

    Mostly Cloudy

    • 71
    • 79

    Partly Sunny

    • 70
    • 80

    Partly Sunny

    • 70
    • 79

    Partly Sunny

    • 70
    • 79

    Partly Sunny

    • 70
    • 79

    Mostly Sunny

Today 18 Dec Monroe Middle Keys

Partly sunny with a slight chance of Showers. Highs near 80. Southeast Winds 10 to 15 Mph Early, decreasing to 5 to 10 Mph. Chance of rain 10 percent.

Tonight 18 Dec Monroe Middle Keys

Mostly cloudy with a slight chance of Showers and Thunderstorms, mainly after midnight. Lows in the lower 70s. Southeast Winds 5 to 10 Mph, becoming variable near 5 Mph. Chance of rain 20 percent.

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Sombrero Beach Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (3.1 miles)

  • Lowest 11 December, 2025

    66.9 °F

  • Average December

    75.8 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (3.1 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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