Harleyville Wind ForecastUnited StatesSCDorchester CountyHarleyville1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harleyville wind forecast issued today at 2:29 pm. Next forecast at approx. 2:29 am.Harleyville Wind Statistics April WindSummerville Airport (14.3 miles)2025MarchAprilStrongest – Average April–Strongest 5 March, 202518.3mph SAverage March7.1mphStrongest 5 March, 202518.3mph SAverage 20256.8mphClimate (2010–Present)Summerville Airport (14.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 April, 202021.9mph SAverage 2020–20256.2mphGet WillyWeather+ to remove ads