As of 3:19 PM EDT on August 19, 2026, out of 17 cities in Clarion County, PA in our database, 12 cities (71%) have a UV Index reading of Moderate, while 5 cities (29%) have a UV Index reading of High. The city with the highest UV Index reading right now is Rimersburg, PA with a reading of 5.6.
Over the next 24 hours, the highest UV Index reading in Clarion County, PA is expected to be 6 in Crown between 2:00 PM - 3:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |