As of 1:36 PM EST on March 3, 2026, all 11 cities in Knox County, OH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Centerburg, OH with a reading of 1.2.
Over the next 24 hours, the highest UV Index reading in Knox County, OH is expected to be 1.4 in Apple Valley between 10:00 AM - 11:00 AM EST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |