As of 2:43 PM EDT on March 20, 2026, out of 8 cities in Darlington County, SC in our database, 4 cities (50%) have a UV Index reading of Moderate, while 4 cities (50%) have a UV Index reading of High. The city with the highest UV Index reading right now is Hartsville, SC with a reading of 5.5.
Over the next 24 hours, the highest UV Index reading in Darlington County, SC is expected to be 5.8 in Society Hill 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 |