UV Index Today in DuPage County, Illinois (IL)
Friday, May 22, 2026 -1:39 PMCDT (GMT-5)
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The average maximum UV Index today across 54 locations in DuPage County, Illinois (IL), is 6.8. The highest projected maximum is 7 in Downers Grove at 1:00 PM CDT, while the lowest projected maximum is 6.6 in Bloomingdale at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 7.9. The highest projected maximum is 8.1 in Downers Grove at 1:00 PM CDT, and the lowest projected maximum is 7.5 in Chicago at 2:00 PM CDT.
9 County Subdivisions in DuPage County, Illinois (IL)
Maximum UV Index Today
45 Places in DuPage County, Illinois (IL)
Maximum UV Index Today