Harpswell Wind ForecastUnited StatesMECumberland CountyHarpswell1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harpswell wind forecast issued today at 2:31 am. Next forecast at approx. 2:31 pm.Harpswell Wind Statistics August WindWiscasset Airport (17.4 miles)2025JulyAugustStrongest – Average August–Strongest 21 July, 202525.9mph NWAverage July3.5mphStrongest 7 March, 202542.1mph NNWAverage 20253.9mphClimate (2010–Present)Wiscasset Airport (17.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 10 January, 202453mph EAverage 2020–20254.7mphGet WillyWeather+ to remove ads