Weather World
The Florida Keys Marathon, FL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
The Florida Keys Marathon Weather Forecast
The Florida Keys Marathon, FL Weather Forecast Date: 415 PM EDT Fri Aug 28 2026
Weather forecast for The Florida Keys Marathon, FL
Tonight Lo: 81°F Lo: 27°C |
Tonight... Mostly clear with a chance of showers and thunderstorms. Lows in the lower 80s. East winds 5 to 10 mph. Chance of rain 30%. |
Sat Hi: 90°FHi: 32°C Lo: 83°F Lo: 28°C |
Saturday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. East winds 5 to 10 mph. Chance of rain 40%. |
| Sun Hi: 90°FHi: 32°C Lo: 83°F Lo: 28°C |
Sunday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. East to southeast winds 10 to 15 mph, becoming east and Decreasing to 5 to 10 mph. Chance of rain 50%. |
| Mon Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Monday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Chance of rain 40%. |
| Tue Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Tuesday... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs near 90. Chance of rain 50%. |
| Wed Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Wednesday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Chance of rain 50%. |
| Thu Hi: 90°FHi: 32°C Lo: 81°F Lo: 27°C |
Thursday... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs near 90. Chance of rain 50%. |
The Florida Keys Marathon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...