Belfast Wind ForecastUnited KingdomNIBelfastBelfast1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Belfast wind forecast issued today at 1:11 pm. Next forecast at approx. 1:11 am.Belfast Wind Statistics May WindAldergrove (20km)2025AprilMayStrongest 3 May, 202517.9mph NNWAverage May3.9mphStrongest 22 April, 202522.4mph ESEAverage April7.3mphStrongest 24 January, 202547mph SSWAverage 20257.5mphClimate (2011–Present)Aldergrove (20km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202547mph SSWAverage 2020–20257.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May20%11.25%2.5%CalmStrongMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May20%11.25%2.5%CalmStrongGet WillyWeather+ to remove ads