Defiance Wind ForecastUnited StatesIAShelby CountyDefiance1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Defiance wind forecast issued today at 11:32 am. Next forecast at approx. 11:32 pm.Defiance Wind Statistics August WindDenison (10.6 miles)2025JulyAugustStrongest 1 August, 202512.8mph EAverage August6.9mphStrongest 28 July, 202520.8mph NEAverage July8.5mphStrongest 5 March, 202538mph NNWAverage 202510.1mphClimate (2010–Present)Denison (10.6 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 April, 202241.4mph SAverage 2020–202510.1mphGet WillyWeather+ to remove ads