UV Index Today in Waukesha County, Wisconsin (WI)
Friday, May 22, 2026 -1:41 PMCDT (GMT-5)
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The average maximum UV Index today across 49 locations in Waukesha County, Wisconsin (WI), is 7.2. The highest projected maximum is 7.5 in Menomonee Falls at 1:00 PM CDT, while the lowest projected maximum is 6.9 in Mukwonago at 12:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 7.3. The highest projected maximum is 7.7 in Milwaukee at 1:00 PM CDT, and the lowest projected maximum is 5.3 in Oconomowoc at 2:00 PM CDT.
8 County Subdivisions in Waukesha County, Wisconsin (WI)
Maximum UV Index Today
41 Places in Waukesha County, Wisconsin (WI)
Maximum UV Index Today