Harpster Wind ForecastUnited StatesIDIdaho CountyHarpster1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harpster wind forecast issued today at 9:29 am. Next forecast at approx. 9:29 pm.Harpster Wind Statistics September WindLowell (19.9 miles)2025AugustSeptemberStrongest 1 September, 20253.4mph NAverage September3.4mphStrongest 26 August, 202525.1mph WSWAverage August1.2mphStrongest 31 July, 202534mph SWAverage 20251.4mphClimate (2010–Present)Lowell (19.9 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 April, 202338mph SAverage 2020–20252.8mphGet WillyWeather+ to remove ads