As of 2:53 PM EDT on August 18, 2025, all 1 cities in Fairfax City, VA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Fairfax, VA with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Fairfax City, VA is expected to be 4.2 in Fairfax between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |