UV Index Today in Jefferson County, Kentucky (KY)
Tuesday, April 7, 2026 - 4:50 AM EDT (GMT-4)
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The average maximum UV Index today across 55 locations in Jefferson County, Kentucky (KY), is 6.3. The highest projected maximum is 6.4 in Mount Washington at 2:00 PM EDT, while the lowest projected maximum is 6.3 in Louisville at 2:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.6. The highest projected maximum is 6.7 in Mount Washington at 2:00 PM EDT, and the lowest projected maximum is 6.6 in Louisville at 2:00 PM EDT.
55 Places in Jefferson County, Kentucky (KY)
Maximum UV Index Today