Belfast Wind ForecastUnited KingdomNIBelfastBelfast1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Belfast wind forecast issued today at 7:02 pm. Next forecast at approx. 7:02 am.Belfast Wind Statistics September WindAldergrove (12.4 miles)2020AugustSeptemberStrongest 13 September, 202020.1mph SWAverage September6.8mphStrongest 20 August, 202029.1mph SAverage August5.7mphStrongest 13 January, 202035.8mph SSEAverage 20208.3mphClimate (2011–Present)Aldergrove (12.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 October, 201738mph SSEAverage 2011–Present7.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September32.5%17.5%2.5%CalmStrongGet an account to remove ads