Sumter County, SC: Current UV Index and Hourly Forecast

As of 9:58 AM EDT on October 9, 2025, all 17 cities in Sumter County, SC in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sumter, SC with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in Sumter County, SC is expected to be 5.9 in Sumter between 1:00 PM - 2:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Sumter County, SC as of 9:58 AM EDT, October 9, 2025

Current UV Index in Cities in Sumter County, SC

9:58 AM EDT, October 9, 2025