As of 11:07 AM MST on December 30, 2024, all 19 cities in Washington County, UT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is St. George, UT with a reading of 1.8.
Over the next 24 hours, the highest UV Index reading in Washington County, UT is expected to be 2.4 in Washington between 1:00 PM - 2:00 PM MST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |