Waukesha County, WI: Current UV Index and Hourly Forecast

As of 12:38 PM CDT on June 28, 2025, all 27 cities in Waukesha County, WI in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Waukesha, WI with a reading of 8.9.

Over the next 24 hours, the highest UV Index reading in Waukesha County, WI is expected to be 9.5 in Sussex between 1:00 PM - 2:00 PM CDT today.

Search Cities in Waukesha County, WI

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Waukesha County, WI as of 12:38 PM CDT, June 28, 2025

Current UV Index in Cities in Waukesha County, WI

12:38 PM CDT, June 28, 2025