Stranmillis Wind ForecastUnited KingdomNIBelfastStranmillis1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Stranmillis wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm. Wind Speed Wind GustStranmillis Wind Statistics September WindAldergrove (21km)2026AugustSeptemberStrongest 4 September, 202622.4mph WSWAverage September8.8mphStrongest 5 August, 202617.9mph WSWAverage August5.6mphStrongest 27 January, 202635.8mph EAverage 20268.4mphClimate (2021–2026)Aldergrove (21km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202547mph SSWAverage 2021–20267.7mphWind 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 WillyWeather+ to remove ads