Harper Wind ForecastUnited StatesIAKeokuk CountyHarper1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harper wind forecast issued today at 9:33 pm. Next forecast at approx. 9:33 am.Harper Wind Statistics July WindWashington (20.5 miles)2025JuneJulyStrongest – Average July–Strongest 20 June, 202524.2mph SAverage June8.8mphStrongest 28 February, 202533.3mph WNWAverage 202511.4mphClimate (2010–Present)Washington (20.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 December, 202034.4mph WSWAverage 2020–202510.2mphGet WillyWeather+ to remove ads