Wisconsin (WI): Current UV Index and Hourly Forecast

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  • Wisconsin

As of 6:25 PM CDT on July 18, 2025, all 790 cities in Wisconsin in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Platteville, WI with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Wisconsin is expected to be 8.6 in Fountain City 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 Wisconsin as of 6:25 PM CDT, July 18, 2025

Counties in Wisconsin (WI)

Current UV Index in Major Cities in Wisconsin (WI)

6:25 PM CDT, July 18, 2025