As of 12:51 PM EST on March 1, 2026, all 7 cities in Knox County, TN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mascot, TN with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in Knox County, TN is expected to be 4.1 in Mascot between 12:00 PM - 1:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |