UV Index Today in Loudoun County, Virginia (VA)
Friday, August 7, 2026 -3:23 PM EDT (GMT-4)
- Home
- United States
- Virginia
- Loudoun County
The average maximum UV Index today across 37 locations in Loudoun County, Virginia (VA), is 8.8. The highest projected maximum is 9.1 in Great Falls at 1:00 PM EDT, while the lowest projected maximum is 8.7 in Leesburg at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8.2. The highest projected maximum is 8.6 in Bull Run at 1:00 PM EDT, and the lowest projected maximum is 7.7 in Purcellville at 1:00 PM EDT.
37 Places in Loudoun County, Virginia (VA)
Maximum UV Index Today