Decatur Wind ForecastUnited StatesILMacon CountyDecatur1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Decatur wind forecast issued yesterday at 11:32 pm. Next forecast at approx. 11:32 am.Decatur Wind Statistics July WindDecatur Airport (4.3 miles)2025JuneJulyStrongest 6 July, 202552.1mph SWAverage July6.3mphStrongest 18 June, 202551mph SWAverage June8mphStrongest 16 May, 202561.1mph SAverage 202510.2mphClimate (2010–Present)Decatur Airport (4.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 June, 202374.9mph WAverage 2020–20259.7mphGet WillyWeather+ to remove ads