As of 2:10 PM PDT on June 1, 2026, out of 633 cities in Washington in our database, 546 cities (86%) have a UV Index reading of High, 51 cities (8%) have a UV Index reading of Moderate, while 36 cities (6%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Trout Lake, WA with a reading of 7.3.
Over the next 24 hours, the highest UV Index reading in Washington is expected to be 8.2 in Rock Island 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 |