As of 3:37 AM EDT on September 12, 2026, all 8 cities in Greenup County, KY 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 Greenup County, KY is expected to be 2.6 in Flatwoods between 11:00 AM - 12:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |