Fairfax County, VA: Current UV Index and Hourly Forecast

As of 4:38 AM EDT on June 25, 2025, all 69 cities in Fairfax County, VA 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 Fairfax County, VA is expected to be 10 in Centreville between 1:00 PM - 2:00 PM EDT today.

Search Cities in Fairfax County, VA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Fairfax County, VA as of 4:38 AM EDT, June 25, 2025

Current UV Index in Cities in Fairfax County, VA

4:38 AM EDT, June 25, 2025