Weather in Mount Sterling, WI
Updated 2026-09-26 10:00 local time · ZIP codes 54645

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
55°16% rain
58°14% rain
61°13% rain
62°12% rain
62°13% rain
59°15% rain
59°17% rain
59°17% rain
59°18% rain
58°23% rain
57°22% rain
57°22% 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 23%).
It feels like 48°F with winds near 10 mph.
62°F, 12% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 55°F, wind 10 mph, rain chance up to 23%.
UV index is 2.
Local weather characteristics in Mount Sterling
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.
Mount Sterling is part of the Midwest weather region. The forecast point is near 43.32°N latitude and 90.93°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.
Mount Sterling weather today
Overcast and 55°F in Mount Sterling, WI. Today's high is 62°F with a 19% rain chance. Winds are around 10 mph with gusts near 18 mph. Relative humidity is 64%, pressure is 30.21 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mount Sterling
Sunrise is at 06:55 AM and sunset is at 06:54 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 56°F. The maximum rain chance is 11%.