Grafton Wind ForecastUnited StatesNHGrafton CountyGrafton1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grafton wind forecast issued today at 8:31 pm. Next forecast at approx. 8:31 am.Grafton Wind Statistics April WindPlymouth Municipal Airport (17.4 miles)2025MarchAprilStrongest – Average April–Strongest 1 March, 202519.7mph WAverage March7.4mphStrongest 17 February, 202521.9mph WAverage 20257.5mphClimate (2010–Present)Plymouth Municipal Airport (17.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 March, 202123mph WNWAverage 2020–20256.5mphGet WillyWeather+ to remove ads