Marathon Weather Forecast
- 79
- 88
Slight Chance Thunderstorms
- 80
- 89
Slight Chance Thunderstorms
- 79
- 89
Chance Rain Showers
- 78
- 88
Chance Rain Showers
- 78
- 88
Chance Rain Showers
- 79
- 88
Chance Rain Showers
Today 25 May Monroe Middle Keys
Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Highs in the mid to upper 80s. East to southeast Winds 15 to 20 Mph. Chance of rain 30 percent.
Tonight 25 May Monroe Middle Keys
Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Lows in the upper 70s. East to southeast Winds 15 to 20 Mph. Chance of rain 30 percent.
Marathon Temperature Statistics
May Temperature
The Florida Keys - Marathon International Airport (2.5 miles)
Lowest 11 May, 2022
71.1 °FAverage May
81.6 °FHighest 7 May, 2022
90 °F
Climate (2010–Present)
The Florida Keys - Marathon International Airport (2.5 miles)
Average Low 2010–Present
75 °FAverage 2010–Present
79.2 °FAverage High 2010–Present
84.5 °F