UV Index Today in Honolulu County, Hawaii (HI)
Friday, May 22, 2026 -8:39 AMHST (GMT-10)
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The average maximum UV Index today across 53 locations in Honolulu County, Hawaii (HI), is 10.4. The highest projected maximum is 11.1 in Waianae at 1:00 PM HST, while the lowest projected maximum is 9.6 in Pearl City at 1:00 PM HST.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8.3. The highest projected maximum is 10.6 in Laie at 1:00 PM HST, and the lowest projected maximum is 6.6 in Pearl City at 1:00 PM HST.
53 Places in Honolulu County, Hawaii (HI)
Maximum UV Index Today