Marathon County, WI: Current UV Index and Hourly Forecast

As of 8:34 PM CDT on June 28, 2025, all 19 cities in Marathon County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Wausau, WI with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Marathon County, WI is expected to be 7.3 in Hatley 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 Marathon County, WI as of 8:34 PM CDT, June 28, 2025

Current UV Index in Cities in Marathon County, WI

8:34 PM CDT, June 28, 2025