UV Index Today in Honolulu County, Hawaii (HI)
Wednesday, July 15, 2026 -7:02 AM HST (GMT-10)
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The average maximum UV Index today across 53 locations in Honolulu County, Hawaii (HI), is 12.2. The highest projected maximum is 12.6 in Kailua at 1:00 PM HST, while the lowest projected maximum is 11.6 in Waianae at 12:00 PM HST.
Tomorrow, the average maximum UV Index across those same locations is expected to be 12.9. The highest projected maximum is 13 in Pearl City at 12:00 PM HST, and the lowest projected maximum is 12.8 in Urban Honolulu at 1:00 PM HST.
53 Places in Honolulu County, Hawaii (HI)
Maximum UV Index Today