Mercer County, PA: Current UV Index and Hourly Forecast

As of 8:22 AM EDT on October 15, 2025, all 18 cities in Mercer County, PA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Mercer County, PA is expected to be 4.4 in New Lebanon between 1:00 PM - 2:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mercer County, PA as of 8:22 AM EDT, October 15, 2025

Current UV Index in Cities in Mercer County, PA

8:22 AM EDT, October 15, 2025