Sumter Wind ForecastUnited StatesSCSumter CountySumter1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Sumter wind forecast issued today at 4:35 am. Next forecast at approx. 4:35 pm. Wind Speed Wind GustSumter Wind Statistics June WindSumter Airport (5 miles)2026MayJuneStrongest 2 June, 202615mph NAverage June6.6mphStrongest 11 May, 202616.1mph NAverage May6.7mphStrongest 23 March, 202620.8mph NAverage 20267mphClimate (2021–2026)Sumter Airport (5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 March, 202223mph SAverage 2021–20267.2mphGet WillyWeather+ to remove ads