As of 12:32 PM EST on January 23, 2025, all 6 cities in Union County, SC in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Carlisle, SC with a reading of 2.3.
Over the next 24 hours, the highest UV Index reading in Union County, SC is expected to be 2.4 in Carlisle between 11:00 AM - 12:00 PM EST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |