UV Index Today in Hawaii (HI)
Friday, August 7, 2026 -9:17 AM GMT-10 (GMT-10)
- Home
- United States
- Hawaii
The average maximum UV Index today across 140 locations in Hawaii (HI), is 12.4. The highest projected maximum is 14.5 in Honaunau-Napoopoo at 12:00 PM GMT-10, while the lowest projected maximum is 8.7 in Kekaha at 12:00 PM GMT-10.
Tomorrow, the average maximum UV Index across those same locations is expected to be 12.2. The highest projected maximum is 13.8 in Mountain View at 12:00 PM GMT-10, and the lowest projected maximum is 10.5 in Kapaa 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