Marathon Shores Weather Forecast
- 69
- 80
Chance Rain Showers
- 70
- 77
Chance Rain Showers
- 71
- 77
Chance Rain Showers
- 68
- 78
Chance Rain Showers
- 58
- 75
Rain Showers
- 61
- 68
Partly Sunny
Today 11 Jan Monroe Middle Keys
Partly sunny. A chance of Showers this Morning, then a slight chance of Showers this afternoon. Highs near 80. Northeast to east Winds 5 to 10 Mph, becoming north to northeast in the afternoon. Chance of rain 40 percent.
Tonight 11 Jan Monroe Middle Keys
Mostly cloudy with a chance of Showers. Becoming breezy. Lows in the upper 60s. North to northeast Winds near 10 Mph, increasing to 15 to 20 Mph. Chance of rain 30 percent.
Marathon Shores Temperature Statistics
January Temperature
The Florida Keys - Marathon International Airport (0 miles)
Lowest 1 January, 2026
55.9 °FAverage January
71.2 °FHighest 9 January, 2026
81 °F
Climate (2021–Present)
The Florida Keys - Marathon International Airport (0 miles)
Average Low 2021–2026
75.4 °FAverage 2021–2026
80 °FAverage High 2021–2026
85.1 °F