As of 4:03 PM EDT on September 4, 2025, out of 1772 cities in Pennsylvania in our database, 1215 cities (69%) have a UV Index reading of Low, while 557 cities (31%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Waynesburg, PA with a reading of 3.5.
Over the next 24 hours, the highest UV Index reading in Pennsylvania is expected to be 7.5 in New Freedom between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |