As of 3:09 PM HST on May 31, 2026, out of 52 cities in Hawaii County, HI in our database, 35 cities (67%) have a UV Index reading of High, 9 cities (17%) have a UV Index reading of Moderate, while 8 cities (15%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Holualoa, HI with a reading of 6.8.
Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 11.6 in Hawaiian Ocean View between 12:00 PM - 1:00 PM HST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |