UV Index Today in Westmoreland County, Pennsylvania (PA)

The average maximum UV Index today across 84 locations in Westmoreland County, Pennsylvania (PA), is 3. The highest projected maximum is 3.2 in Monessen at 12:00 PM EST, while the lowest projected maximum is 2.9 in Derry at 12:00 PM EST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 2.9. The highest projected maximum is 3 in Hempfield at 12:00 PM EST, and the lowest projected maximum is 2.2 in Donegal at 1:00 PM EST.