Walworth County, WI: Current UV Index and Hourly Forecast

As of 4:33 PM CDT on October 8, 2025, all 20 cities in Walworth County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Whitewater, WI with a reading of 1.5.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 4.3 in Lake Geneva between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Walworth County, WI as of 4:33 PM CDT, October 8, 2025

Current UV Index in Cities in Walworth County, WI

4:33 PM CDT, October 8, 2025