Marathon, FL Weather Forecast
Monroe County, Florida
Live radar, warnings and storm tracking for Marathon, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Marathon
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Marathon, FL at a glance
Marathon is home to about 9,849 people in Monroe County, across 8.4 square miles. It ranks 173rd by population of 275 places in Florida with a forecast here. The nearest neighbour with its own forecast is Islamorada, 35 miles away.
- County
- Monroe County
- Population
- 9,849 2023 est.
- Land area
- 8.4 sq mi
- People per sq mi
- 1,166
- Forecast point
- 24.7323°N, 81.0251°W
How well can the network see Marathon?
The nearest Doppler radar is KBYX (Key West, FL), to the WSW. Its lowest scan passes about 3,000 ft above Marathon. Close enough to see rotation in the low part of a storm, where tornadoes form. Marathon is closer to its radar than 51% of US cities.
The closest weather station is KMTH (Marathon Arpt). Close enough that its readings are the conditions in town.
Forecasts near Marathon
- Islamorada, FL35 mi
- Key West, FL49 mi
- Florida City, FL60 mi
- Homestead, FL62 mi
- Cutler Bay, FL73 mi
- Palmetto Bay, FL76 mi
- Pinecrest, FL79 mi
- Coral Gables, FL81 mi
Elsewhere in Florida
JacksonvilleMiamiTampaOrlandoSt. PetersburgPort St. LucieAll Florida forecasts →