As of 1:54 PM EDT on May 13, 2026, out of 62 cities in Westmoreland County, PA in our database, 44 cities (71%) have a UV Index reading of Moderate, while 18 cities (29%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Loyalhanna, PA with a reading of 4.5.
Over the next 24 hours, the highest UV Index reading in Westmoreland County, PA is expected to be 5 in West Leechburg between 3:00 PM - 4:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |