As of 3:07 PM PDT on July 22, 2026, out of 62 cities in King County, WA in our database, 54 cities (87%) have a UV Index reading of High, while 8 cities (13%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Skykomish, WA with a reading of 7.
Over the next 24 hours, the highest UV Index reading in King County, WA is expected to be 7.8 in Skykomish between 1:00 PM - 2:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |