As of 5:45 PM HST on January 7, 2026, all 23 cities in Kauai County, HI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Wailua Homesteads, HI with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 6.5 in Wailua Homesteads between 1:00 PM - 2:00 PM HST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |