As of 5:27 PM MDT on June 9, 2026, out of 17 cities in Summit County, UT in our database, 12 cities (71%) have a UV Index reading of Moderate, while 5 cities (29%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Summit Park, UT with a reading of 3.8.
Over the next 24 hours, the highest UV Index reading in Summit County, UT is expected to be 10.4 in Francis 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 |