Merrimack Wind ForecastUnited StatesNHHillsborough CountyMerrimack1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Merrimack wind forecast issued today at 10:31 pm. Next forecast at approx. 10:31 am.Merrimack Wind Statistics June WindManchester Airport (5 miles)2025MayJuneStrongest 1 June, 202536mph WSWAverage June5.3mphStrongest 19 May, 202542.9mph NWAverage May6.6mphStrongest 7 March, 202557mph NWAverage 20258.4mphClimate (2010–Present)Manchester Airport (5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 March, 202557mph NWAverage 2020–20257mphGet WillyWeather+ to remove ads