Sumter Wind ForecastUnited StatesSCSumter CountySumter1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Sumter wind forecast issued today at 4:32 pm. Next forecast at approx. 4:32 am.Sumter Wind Statistics July WindSumter Airport (5 miles)2025JuneJulyStrongest 6 July, 202517.2mph NNWAverage July7.3mphStrongest 19 June, 202516.1mph SWAverage June6.8mphStrongest 1 March, 202519.7mph WAverage 20257.5mphClimate (2010–Present)Sumter Airport (5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 March, 202223mph SAverage 2020–20257.1mphGet WillyWeather+ to remove ads