As of 2:48 AM EST on January 18, 2026, all 5 cities in Loudon County, TN 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 Loudon County, TN is expected to be 2.2 in Lenoir City between 1:00 PM - 2:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |