Weather in Mellen, WI
Updated 2026-09-26 10:00 local time · ZIP codes 54546
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°12% rain61°11% rain64°10% rain65°10% rain67°9% rain68°9% rain67°10% rain64°10% rain64°12% rain
63°12% rain61°16% rain61°15% 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 16%).
It feels like 51°F with winds near 9 mph.
68°F, 9% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 58°F, wind 9 mph, rain chance up to 16%.
UV index is 2.
Local weather characteristics in Mellen
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.
Mellen is part of the Midwest weather region. The forecast point is near 46.33°N latitude and 90.66°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.
Mellen weather today
Overcast and 58°F in Mellen, WI. Today's high is 68°F with a 15% rain chance. Winds are around 9 mph with gusts near 20 mph. Relative humidity is 56%, pressure is 30.20 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mellen
Sunrise is at 06:54 AM and sunset is at 06:53 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 53°F. The maximum rain chance is 61%.