As of 1:00 PM MDT on April 1, 2025, out of 17 cities in Summit County, UT in our database, 10 cities (59%) have a UV Index reading of High, while 7 cities (41%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Coalville, UT with a reading of 6.3.
Over the next 24 hours, the highest UV Index reading in Summit County, UT is expected to be 6.3 in Coalville between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |