Butler County, PA: Current UV Index and Hourly Forecast

As of 2:30 AM EDT on June 4, 2025, all 32 cities in Butler 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 Butler County, PA is expected to be 7.9 in Harrisville between 1:00 PM - 2:00 PM EDT today.

Search Cities in Butler County, PA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Butler County, PA as of 2:30 AM EDT, June 4, 2025

Current UV Index in Cities in Butler County, PA

2:30 AM EDT, June 4, 2025