Joanna Wind ForecastUnited StatesPABerks CountyJoanna1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Joanna wind forecast issued today at 6:32 pm. Next forecast at approx. 6:32 am.Joanna Wind Statistics April WindChester County Airport (13 miles)2025MarchAprilStrongest – Average April–Strongest 16 March, 202525.3mph SAverage March9.2mphStrongest 17 February, 202526.4mph WAverage 20259.4mphClimate (2010–Present)Chester County Airport (13 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 15 March, 202326.4mph NNWAverage 2020–20257.5mphGet WillyWeather+ to remove ads