weather in surfside beach sc
Hourly Forecast Detailed. 1  0am:The Surfside Beach, SC forecast for Aug 10 is 75 degrees and Moderate or heavy rain shower. There is 84 percentage chance of rain and 2 mph winds from the East-Southeast. 2  3am:The Surfside Beach, SC forecast for Aug 10 is 74 degrees and Patchy rain possible.