Castalia Wind ForecastUnited StatesIAWinneshiek CountyCastalia1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Castalia wind forecast issued today at 3:35 pm. Next forecast at approx. 3:35 am.Castalia Wind Statistics October WindDecorah (11.8 miles)2025SeptemberOctoberStrongest 17 October, 202518.3mph SSWAverage October7.6mphStrongest 3 September, 202517.2mph NNWAverage September6mphStrongest 5 March, 202531.1mph NNWAverage 20257.8mphClimate (2010–Present)Decorah (11.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2020–20257.9mphGet WillyWeather+ to remove ads