UV Index Today in Chester County, Pennsylvania (PA)

The average maximum UV Index today across 109 locations in Chester County, Pennsylvania (PA), is 5.7. The highest projected maximum is 7.9 in Tredyffrin at 2:00 PM EDT, while the lowest projected maximum is 2.5 in East Nottingham at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 0.6. The highest projected maximum is 0.7 in Pennsbury at 11:00 AM EDT, and the lowest projected maximum is 0.5 in Pottstown at 12:00 PM EDT.