Weather in Marathon, FL
Updated 2026-09-26 12:00 local time · ZIP codes 33050
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
79°22% rain80°19% rain80°16% rain
80°6% rain81°6% rain81°6% rain81°6% rain81°6% rain
81°6% rain81°6% rain81°5% rain81°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 22%).
It feels like 82°F with winds near 9 mph.
80°F, 6% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 79°F, wind 9 mph, rain chance up to 22%.
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Local weather characteristics in Marathon
Florida is warm and humid for much of the year. Sea breezes drive frequent summer thunderstorms, while tropical systems and hurricanes are an important warm-season risk.
Marathon is part of the South weather region. The forecast point is near 24.71°N latitude and 81.09°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Marathon weather today
Overcast and 79°F in Marathon, FL. Today's high is 82°F with a 36% rain chance. Winds are around 9 mph with gusts near 18 mph. Relative humidity is 77%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marathon
Sunrise is at 07:14 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 79°F. The maximum rain chance is 11%.