As of 11:28 AM PDT on June 12, 2026, all 10 cities in Wahkiakum County, WA in our database 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 6.3.
Over the next 24 hours, the highest UV Index reading in Wahkiakum County, WA is expected to be 8.5 in East Cathlamet between 1:00 PM - 2:00 PM PDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |