Pennsylvania (PA): Current UV Index and Hourly Forecast

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  • Pennsylvania

As of 4:03 PM EDT on September 4, 2025, out of 1772 cities in Pennsylvania in our database, 1215 cities (69%) have a UV Index reading of Low, while 557 cities (31%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Waynesburg, PA with a reading of 3.5.

Over the next 24 hours, the highest UV Index reading in Pennsylvania is expected to be 7.5 in New Freedom between 1:00 PM - 2:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Pennsylvania as of 4:03 PM EDT, September 4, 2025

Counties in Pennsylvania (PA)

Current UV Index in Major Cities in Pennsylvania (PA)

4:03 PM EDT, September 4, 2025