Groton Wind ForecastUnited StatesNHGrafton CountyGroton1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Groton wind forecast issued today at 12:35 pm. Next forecast at approx. 12:35 am.Groton Wind Statistics May WindPlymouth Municipal Airport (6.2 miles)2026AprilMayStrongest – Average May–Strongest 6 April, 202617.2mph WAverage April6.8mphStrongest 16 January, 202618.3mph WNWAverage 20267.1mphClimate (2010–Present)Plymouth Municipal Airport (6.2 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 3 February, 202321.9mph WAverage 2021–20266.5mphGet WillyWeather+ to remove ads