Harper Wind ForecastUnited StatesIAKeokuk CountyHarper1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harper wind forecast issued today at 5:33 am. Next forecast at approx. 5:33 pm. Wind Speed Wind GustHarper Wind Statistics August WindWashington (20.5 miles)2026JulyAugustStrongest – Average August–Strongest 21 July, 202621.9mph NNWAverage July6.8mphStrongest 13 March, 202635.8mph WNWAverage 202610.7mphClimate (2021–2026)Washington (20.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 26 November, 202536.9mph NWAverage 2021–202610.3mphGet WillyWeather+ to remove ads