As of 9:40 PM EST on December 16, 2025, all 1772 cities in Pennsylvania in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Pennsylvania is expected to be 2.4 in Somerset between 12:00 PM - 1:00 PM EST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |