As of 11:40 AM EDT on September 23, 2025, out of 62 cities in Westmoreland County, PA in our database, 38 cities (61%) have a UV Index reading of Low, while 24 cities (39%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Loyalhanna, PA with a reading of 3.4.
Over the next 24 hours, the highest UV Index reading in Westmoreland County, PA is expected to be 5.5 in Loyalhanna between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |