Sumter Wind ForecastUnited StatesSCSumter CountySumter1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Sumter wind forecast issued today at 4:36 am. Next forecast at approx. 4:36 pm.Sumter Wind Statistics October WindSumter Airport (5 miles)2025SeptemberOctoberStrongest 10 October, 202516.1mph NNEAverage October7.8mphStrongest 8 September, 202516.1mph NEAverage September7.2mphStrongest 1 March, 202519.7mph WAverage 20257.3mphClimate (2010–Present)Sumter Airport (5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 March, 202223mph SAverage 2020–20257.2mphGet WillyWeather+ to remove ads