Weather in Williams Bay, WI
Updated 2026-09-26 10:00 local time · ZIP codes 53191

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°17% rain
60°14% rain
61°13% rain
63°12% rain
62°12% rain
63°10% rain
62°12% rain
60°15% rain
60°19% rain
55°19% rain
54°17% rain
54°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 19%).
It feels like 52°F with winds near 8 mph.
63°F, 10% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 58°F, wind 8 mph, rain chance up to 19%.
UV index is 2.
Local weather characteristics in Williams Bay
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.
Williams Bay is part of the Midwest weather region. The forecast point is near 42.58°N latitude and 88.54°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.
Williams Bay weather today
Overcast and 58°F in Williams Bay, WI. Today's high is 63°F with a 14% rain chance. Winds are around 8 mph with gusts near 10 mph. Relative humidity is 66%, pressure is 30.23 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Williams Bay
Sunrise is at 06:45 AM and sunset is at 06:45 PM. Tomorrow's forecast calls for Overcast with a high near 67°F and a low near 51°F. The maximum rain chance is 12%.