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.
Marathon Temperature Statistics
December Temperature
The Florida Keys - Marathon International Airport (2.5 miles)
Lowest 6 December, 2023
64.9 °FAverage December
77.7 °FHighest 3 December, 2023
87.7 °F
Climate (2018–Present)
The Florida Keys - Marathon International Airport (2.5 miles)
Average Low 2018–2023
75.6 °FAverage 2018–2023
80.2 °FAverage High 2018–2023
85.6 °F