Harristown Wind ForecastUnited StatesPALancaster CountyHarristown1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harristown wind forecast issued today at 2:25 pm. Next forecast at approx. 2:25 am.Harristown Wind Statistics May WindChester County Airport (11.2 miles)2026AprilMayStrongest – Average May–Strongest 7 April, 202619.7mph WNWAverage April8mphStrongest 23 January, 202624.2mph NNWAverage 20268.1mphClimate (2010–Present)Chester County Airport (11.2 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 8 April, 202527.7mph WNWAverage 2021–20267.4mphGet WillyWeather+ to remove ads