UV Index Today in Charleston County, South Carolina (SC)
Tuesday, April 7, 2026 - 4:54 AM EDT (GMT-4)
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The average maximum UV Index today across 20 locations in Charleston County, South Carolina (SC), is 3.5. The highest projected maximum is 4 in McClellanville at 2:00 PM EDT, while the lowest projected maximum is 3.4 in Charleston at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 7.3. The highest projected maximum is 7.4 in Seabrook Island at 1:00 PM EDT, and the lowest projected maximum is 6.9 in McClellanville at 1:00 PM EDT.
20 Places in Charleston County, South Carolina (SC)
Maximum UV Index Today