UV Index Today in Hawaii (HI)
Wednesday, July 15, 2026 -6:12 AM GMT-10 (GMT-10)
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The average maximum UV Index today across 140 locations in Hawaii (HI), is 12. The highest projected maximum is 13.6 in Honokaa at 12:00 PM GMT-10, while the lowest projected maximum is 6.5 in Honaunau-Napoopoo at 10:00 AM GMT-10.
Tomorrow, the average maximum UV Index across those same locations is expected to be 12.7. The highest projected maximum is 14.5 in Honaunau-Napoopoo at 12:00 PM GMT-10, and the lowest projected maximum is 10.4 in Kahului at 12:00 PM GMT-10.
4 Counties in Hawaii (HI)
Average Maximum UV Index Today
140 Places in Hawaii (HI)
Maximum UV Index Today