As of 3:27 PM PDT on July 22, 2026, out of 10 cities in Wahkiakum County, WA in our database, 7 cities (70%) have a UV Index reading of Moderate, while 3 cities (30%) have a UV Index reading of High. The city with the highest UV Index reading right now is East Cathlamet, WA with a reading of 5.6.
Over the next 24 hours, the highest UV Index reading in Wahkiakum County, WA is expected to be 7.4 in East Cathlamet between 2:00 PM - 3:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |