As of 5:12 PM MDT on May 4, 2026, out of 19 cities in Washington County, UT in our database, 15 cities (79%) have a UV Index reading of Low, while 4 cities (21%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ivins, UT with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Washington County, UT is expected to be 7.7 in Springdale between 1:00 PM - 2:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |