As of 4:45 AM EST on November 21, 2024, all 29 cities in Loudoun 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 Loudoun County, VA is expected to be 1.7 in Leesburg between 11:00 AM - 12:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |