Prince William County, VA: Current UV Index and Hourly Forecast

As of 4:18 PM EDT on April 26, 2025, all 24 cities in Prince William County, VA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Bull Run Mountain Estates, VA with a reading of 4.1.

Over the next 24 hours, the highest UV Index reading in Prince William County, VA is expected to be 7.7 in Gainesville 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 Prince William County, VA as of 4:18 PM EDT, April 26, 2025

Current UV Index in Cities in Prince William County, VA

4:18 PM EDT, April 26, 2025