Castalia Wind ForecastUnited StatesIAWinneshiek CountyCastalia1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Castalia wind forecast issued today at 1:33 am. Next forecast at approx. 1:33 pm. Wind Speed Wind GustCastalia Wind Statistics June WindDecorah (11.8 miles)2026MayJuneStrongest 14 June, 202619.7mph NNWAverage June6.9mphStrongest 13 May, 202621.9mph NNWAverage May7.9mphStrongest 14 January, 202627.7mph NNWAverage 20268.5mphClimate (2021–2026)Decorah (11.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2021–20268mphGet WillyWeather+ to remove ads