Castalia Wind ForecastUnited StatesIAWinneshiek CountyCastalia1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Castalia wind forecast issued today at 3:33 am. Next forecast at approx. 3:33 pm.Castalia Wind Statistics July WindDecorah (11.8 miles)2025JuneJulyStrongest 4 July, 202512.8mph SSWAverage July6.6mphStrongest 22 June, 202518.3mph SAverage June7.4mphStrongest 5 March, 202531.1mph NNWAverage 20258.7mphClimate (2010–Present)Decorah (11.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2020–20258mphGet WillyWeather+ to remove ads