As of 9:49 PM PST on November 4, 2026, all 66 cities in Snohomish County, WA in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 1.4 in Darrington between 1:00 PM - 2:00 PM PST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |