St Charles Wind ForecastUnited StatesSCLee CountySt Charles1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time St Charles wind forecast issued today at 8:38 pm. Next forecast at approx. 8:38 am.St Charles Wind Statistics May WindSumter Airport (9.3 miles)2026AprilMayStrongest – Average May–Strongest 19 April, 202619.7mph NNWAverage April7.4mphStrongest 23 March, 202620.8mph NAverage 20267.2mphClimate (2010–Present)Sumter Airport (9.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 March, 202223mph SAverage 2021–20267.2mphGet WillyWeather+ to remove ads