Weather in Marathon, WI
Updated 2026-09-26 11:45 local time · ZIP codes 54448
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°13% rain64°11% rain65°11% rain65°11% rain65°10% rain63°12% rain63°14% rain
60°17% rain59°18% rain57°21% rain56°22% rain55°21% 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 53°F with winds near 10 mph.
65°F, 10% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 60°F, wind 10 mph, rain chance up to 22%.
UV index is 3.
Local weather characteristics in Marathon
Wisconsin has warm summers, cold winters and strong Great Lakes influence near Lakes Michigan and Superior. Lake-effect snow can be important in favored areas.
Marathon is part of the Midwest weather region. The forecast point is near 44.93°N latitude and 89.84°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 60°F in Marathon, WI. Today's high is 65°F with a 17% rain chance. Winds are around 10 mph with gusts near 14 mph. Relative humidity is 56%, pressure is 30.22 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marathon
Sunrise is at 06:51 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 52°F. The maximum rain chance is 13%.