Waukesha County, WI: Current UV Index and Hourly Forecast

As of 12:20 PM CDT on July 9, 2026, out of 27 cities in Waukesha County, WI in our database, 17 cities (63%) have a UV Index reading of Very High, while 10 cities (37%) have a UV Index reading of High. The city with the highest UV Index reading right now is Waukesha, WI with a reading of 8.5.

Over the next 24 hours, the highest UV Index reading in Waukesha County, WI is expected to be 8.7 in Brookfield 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 12:20 PM CDT, July 9, 2026

Current UV Index in Cities in Waukesha County, WI

12:20 PM CDT, July 9, 2026