Marathon Weather Forecast

    • 73
    • 79

    Mostly Cloudy

    • 75
    • 82

    Partly Sunny

    • 69
    • 83

    Chance Rain Showers

    • 67
    • 75

    Slight Chance Rain Showers

    • 73
    • 78

    Slight Chance Rain Showers

    • 72
    • 79

    Chance Rain Showers

Today 8 Dec Monroe Middle Keys

Partly to mostly cloudy with a slight chance of Showers. Highs in the upper 70s. East Winds near 15 Mph. Chance of rain 10 percent.

Tonight 8 Dec Monroe Middle Keys

Mostly cloudy with a slight chance of Showers. Lows in the lower 70s. East Winds near 15 Mph. Chance of rain 10 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (2.5 miles)

  • Lowest 6 December, 2023

    64.9 °F

  • Average December

    77.7 °F

  • Highest 3 December, 2023

    87.7 °F

Climate (2018–Present)

The Florida Keys - Marathon International Airport (2.5 miles)

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

  • Average Low 2018–2023

    75.6 °F

  • Average 2018–2023

    80.2 °F

  • Average High 2018–2023

    85.6 °F
Get an account to remove ads