Horry County, SC: Current UV Index and Hourly Forecast

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As of 4:41 PM EDT on September 10, 2026, all 20 cities in Horry County, SC in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Myrtle Beach, SC with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Horry County, SC is expected to be 7.7 in North Myrtle Beach between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Horry County, SC

• Atlantic Beach - 4.5
• Aynor - 4
• Briarcliffe Acres - 4.5
• Bucksport - 4.5
• Carolina Forest - 4.5
• Conway - 4.5
• Finklea - 4.3
• Forestbrook - 4.5
• Garden City - 4.5
• Green Sea - 4
• Homewood - 4.3
• Ketchuptown - 4
• Little River - 4.4
• Live Oak - 4.3
• Loris - 4.3
• Myrtle Beach - 4.5
• North Myrtle Beach - 4.5
• Red Hill - 4.5
• Socastee - 4.5
• Surfside Beach - 4.5