Weather World
City of Marathon, FLMarathon, FL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Marathon Weather Forecast
Marathon, FL Weather Forecast Date: 355 PM EDT Sun Sep 06 2026
Weather forecast for Marathon, FL
Tonight Lo: 81°F Lo: 27°C |
Tonight... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Variable winds near 5 mph, becoming southeast to south. Chance of rain 40%. |
Labor Day Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Labor Day... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Southeast to south winds near 5 mph, becoming variable. Chance of rain 40%. |
| Tue Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Tuesday... Mostly sunny with a chance of showers and thunderstorms. Highs near 90. East to southeast winds near 5 mph. Chance of rain 30%. |
| Wed Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Wednesday... Mostly sunny with a chance of showers and thunderstorms. Highs near 90. Chance of rain 30%. |
| Thu Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Thursday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 30%. |
| Fri Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Friday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 40%. |
| Sat Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Saturday... Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20%. |
Marathon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...