As of 2:18 PM EDT on June 27, 2025, all 8 cities in Marion County, SC in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Centenary, SC with a reading of 10.2.
Over the next 24 hours, the highest UV Index reading in Marion County, SC is expected to be 10.3 in Mullins between 1:00 PM - 2:00 PM EDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |