Chester County, PA: Current UV Index and Hourly Forecast

As of 3:52 PM EST on February 16, 2026, all 44 cities in Chester County, PA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Phoenixville, PA with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Chester County, PA is expected to be 2.7 in Chadds Ford between 12:00 PM - 1:00 PM EST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Chester County, PA as of 3:52 PM EST, February 16, 2026

Current UV Index in Cities in Chester County, PA

3:52 PM EST, February 16, 2026