Marathon Weather Forecast
- 72
- 88
Chance Rain Showers
- 69
- 79
Partly Sunny
- 72
- 80
Partly Sunny
- 73
- 81
Chance Rain Showers
- 72
- 81
Chance Rain Showers
- 70
- 82
Chance Rain Showers
- 72
- 81
Slight Chance Thunderstorms
Today 18 Mar Monroe Middle Keys
Mostly sunny with a slight chance of Showers. Highs in the mid to upper 80s. South to southwest Winds 5 to 10 Mph, becoming southwest to west near 10 Mph in the afternoon. Chance of rain 10 percent.
Marathon Temperature Statistics
March Temperature
The Florida Keys - Marathon International Airport (2.5 miles)
Lowest
–Average March
–Highest
–
Climate (2019–Present)
The Florida Keys - Marathon International Airport (2.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
75.5 °FAverage 2019–2024
80.1 °FAverage High 2019–2024
85.5 °F