UV Index Today in Delaware County, Pennsylvania (PA)

The average maximum UV Index today across 72 locations in Delaware County, Pennsylvania (PA), is 7.9. The highest projected maximum is 8 in Philadelphia at 1:00 PM EDT, while the lowest projected maximum is 7.8 in Chester at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 1.1. The highest projected maximum is 1.4 in Chester at 10:00 AM EDT, and the lowest projected maximum is 0.8 in Concord at 10:00 AM EDT.