UV Index Today in Hawaii County, Hawaii (HI)

Wednesday, November 4, 2026 -12:07 PM HST (GMT-10)

The average maximum UV Index today across 44 locations in Hawaii County, Hawaii (HI), is 7.6. The highest projected maximum is 8.8 in Honaunau-Napoopoo at 12:00 PM HST, while the lowest projected maximum is 6.5 in Hawaiian Paradise Park at 1:00 PM HST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 6.1. The highest projected maximum is 9.3 in Honaunau-Napoopoo at 12:00 PM HST, and the lowest projected maximum is 4.3 in Hawaiian Paradise Park at 1:00 PM HST.

44 Places in Hawaii County, Hawaii (HI)

Maximum UV Index Today