Wisconsin (WI): Current UV Index and Hourly Forecast

  • USA
  • Wisconsin

As of 3:06 PM CDT on April 20, 2025, out of 790 cities in Wisconsin in our database, 701 cities (89%) have a UV Index reading of Low, while 89 cities (11%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Egg Harbor, WI with a reading of 4.2.

Over the next 24 hours, the highest UV Index reading in Wisconsin is expected to be 5.4 in Lancaster 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 3:06 PM CDT, April 20, 2025

Counties in Wisconsin (WI)

Current UV Index in Major Cities in Wisconsin (WI)

3:06 PM CDT, April 20, 2025