As of 1:41 PM EDT on September 18, 2025, out of 5 cities in Columbia County, GA in our database, 4 cities (80%) have a UV Index reading of Moderate, while 1 city (20%) have a UV Index reading of High. The city with the highest UV Index reading right now is Martinez, GA with a reading of 7.1.
Over the next 24 hours, the highest UV Index reading in Columbia County, GA is expected to be 7.1 in Martinez between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |