As of 10:03 AM EST on March 6, 2026, out of 1772 cities in Pennsylvania in our database, 1514 cities (85%) have a UV Index reading of Low, while 258 cities (15%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Johnstown, PA with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in Pennsylvania is expected to be 4.8 in Hermitage between 1:00 PM - 2:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |