UV Index Today in Charleston County, South Carolina (SC)

The average maximum UV Index today across 20 locations in Charleston County, South Carolina (SC), is 3.7. The highest projected maximum is 4.2 in Mount Pleasant at 1:00 PM EST, while the lowest projected maximum is 3.2 in North Charleston at 2:00 PM EST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 4.4. The highest projected maximum is 4.5 in Kiawah Island at 12:00 PM EST, and the lowest projected maximum is 4.4 in Charleston at 12:00 PM EST.