UV Index Today in Hawaii (HI)
Monday, April 6, 2026 - 10:45 PM GMT-10 (GMT-10)
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The average maximum UV Index today across 140 locations in Hawaii (HI), is 9. The highest projected maximum is 12.2 in Honaunau-Napoopoo at 12:00 PM GMT-10, while the lowest projected maximum is 6.7 in Wailua Homesteads at 11:00 AM GMT-10.
Tomorrow, the average maximum UV Index across those same locations is expected to be 9.2. The highest projected maximum is 11.1 in Honaunau-Napoopoo at 12:00 PM GMT-10, and the lowest projected maximum is 4.8 in Hawaiian Paradise Park at 1:00 PM GMT-10.
4 Counties in Hawaii (HI)
Average Maximum UV Index Today
140 Places in Hawaii (HI)
Maximum UV Index Today