As of 6:23 AM EST on February 8, 2026, all 6 cities in Marlboro County, SC in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Marlboro County, SC is expected to be 3.3 in Blenheim between 1:00 PM - 2:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |