As of 4:07 PM EDT on July 15, 2025, out of 4 cities in Columbia County, FL in our database, 3 cities (75%) have a UV Index reading of High, while 1 city (25%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Watertown, FL with a reading of 5.9.
Over the next 24 hours, the highest UV Index reading in Columbia County, FL is expected to be 11.6 in Watertown between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |