As of 10:33 AM EDT on August 29, 2026, all 5 cities in Williamsburg County, SC in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Hemingway, SC with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Williamsburg County, SC is expected to be 3.6 in Lane between 12:00 PM - 1:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |