As of 10:43 AM HST on September 6, 2026, out of 23 cities in Kauai County, HI in our database, 13 cities (57%) have a UV Index reading of High, while 10 cities (43%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Kekaha, HI with a reading of 6.
Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 10.5 in Wailua Homesteads between 12:00 PM - 1:00 PM HST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |