As of 2:11 PM PDT on October 8, 2025, out of 66 cities in Snohomish County, WA in our database, 56 cities (85%) have a UV Index reading of Moderate, while 10 cities (15%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Index, WA with a reading of 3.2.
Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 3.2 in Index between 2:00 PM - 3:00 PM PDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |