As of 11:10 AM PDT on May 29, 2026, all 6 cities in Jefferson County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Port Townsend, WA with a reading of 0.3.
Over the next 24 hours, the highest UV Index reading in Jefferson County, WA is expected to be 3.4 in Port Townsend between 10:00 AM - 11:00 AM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |