Sombrero Key Weather Forecast

    • 70
    • 79

    Partly Sunny

    • 73
    • 78

    Mostly Sunny

    • 72
    • 78

    Partly Sunny

    • 72
    • 77

    Breezy

    • 72
    • 78

    Breezy

    • 71
    • 77

    Mostly Sunny

Today 19 Dec Monroe Middle Keys

Partly Sunny, becoming partly cloudy late. A slight chance of Showers. Highs near 80. West Winds 5 to 10 Mph, becoming northwest. Chance of rain 10 percent.

Tonight 19 Dec Monroe Middle Keys

Partly cloudy. Lows in the upper 60s. Northwest to north Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sombrero Key Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (7.5 miles)

  • Lowest 11 December, 2025

    66.9 °F

  • Average December

    75.7 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    75.4 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
Get WillyWeather+ to remove ads