Charleston County, SC: Current UV Index and Hourly Forecast

As of 10:55 AM EDT on August 29, 2025, out of 17 cities in Charleston County, SC in our database, 9 cities (53%) have a UV Index reading of Low, while 8 cities (47%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is North Charleston, SC with a reading of 2.9.

Over the next 24 hours, the highest UV Index reading in Charleston County, SC is expected to be 8.9 in North Charleston between 1:00 PM - 2:00 PM EDT today.

Search Cities in Charleston County, SC

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Charleston County, SC as of 10:55 AM EDT, August 29, 2025

Current UV Index in Cities in Charleston County, SC

10:55 AM EDT, August 29, 2025