Brown County, WI: Current UV Index and Hourly Forecast

As of 5:06 PM CST on December 31, 2025, all 13 cities in Brown County, WI in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Brown County, WI is expected to be 1.5 in Dyckesville between 12:00 PM - 1:00 PM CST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Brown County, WI as of 5:06 PM CST, December 31, 2025

Current UV Index in Cities in Brown County, WI

5:06 PM CST, December 31, 2025