Weather in Jefferson, WI
Updated 2026-09-26 11:45 local time · ZIP codes 53549

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°14% rain
64°12% rain
64°12% rain
64°12% rain
64°12% rain
62°15% rain
61°18% rain
57°21% rain
55°21% rain
53°21% rain
52°20% rain
51°19% 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 21%).
It feels like 55°F with winds near 8 mph.
64°F, 12% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 61°F, wind 8 mph, rain chance up to 21%.
UV index is 3.
Local weather characteristics in Jefferson
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.
Jefferson is part of the Midwest weather region. The forecast point is near 43.01°N latitude and 88.81°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.
Jefferson weather today
Overcast and 61°F in Jefferson, WI. Today's high is 64°F with a 15% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 58%, pressure is 30.22 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Jefferson
Sunrise is at 06:47 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Overcast with a high near 69°F and a low near 49°F. The maximum rain chance is 8%.