Sumter Wind ForecastUnited StatesSCSumter CountySumter1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Sumter wind forecast issued today at 8:35 pm. Next forecast at approx. 8:35 am. Wind Speed Wind GustSumter Wind Statistics August WindSumter Airport (5 miles)2026JulyAugustStrongest 1 August, 202613.9mph SEAverage August6mphStrongest 20 July, 202616.1mph SSEAverage July6.1mphStrongest 23 March, 202620.8mph NAverage 20266.8mphClimate (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