As of 12:55 PM EDT on April 23, 2025, all 2 cities in Carter County, KY in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Grayson, KY with a reading of 6.5.
Over the next 24 hours, the highest UV Index reading in Carter County, KY is expected to be 7.7 in Olive Hill between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |