Wisconsin (WI): Current UV Index and Hourly Forecast

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  • Wisconsin

As of 1:35 PM CDT on May 17, 2025, out of 790 cities in Wisconsin in our database, 461 cities (58%) have a UV Index reading of Low, 317 cities (40%) have a UV Index reading of Moderate, while 12 cities (2%) have a UV Index reading of High. The city with the highest UV Index reading right now is South Milwaukee, WI with a reading of 6.4.

Over the next 24 hours, the highest UV Index reading in Wisconsin is expected to be 7.3 in South Wayne between 12:00 PM - 1:00 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 1:35 PM CDT, May 17, 2025

Counties in Wisconsin (WI)

Current UV Index in Major Cities in Wisconsin (WI)

1:35 PM CDT, May 17, 2025