UV Index Today in Jefferson County, Kentucky (KY)
Wednesday, July 15, 2026 -1:02 PM EDT (GMT-4)
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The average maximum UV Index today across 55 locations in Jefferson County, Kentucky (KY), is 10.1. The highest projected maximum is 10.1 in Louisville at 2:00 PM EDT, while the lowest projected maximum is 10.1 in Louisville at 2:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 9.9. The highest projected maximum is 10.1 in Mount Washington at 2:00 PM EDT, and the lowest projected maximum is 9.7 in Louisville at 1:00 PM EDT.
55 Places in Jefferson County, Kentucky (KY)
Maximum UV Index Today