Rock County, WI: Current UV Index and Hourly Forecast

As of 1:41 PM CDT on April 2, 2025, all 11 cities in Rock County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Janesville, WI with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in Rock County, WI is expected to be 5.1 in Janesville 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 Rock County, WI as of 1:41 PM CDT, April 2, 2025

Current UV Index in Cities in Rock County, WI

1:41 PM CDT, April 2, 2025