Greencastle Wind ForecastUnited KingdomNINewry and MourneGreencastle1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Greencastle wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm.Greencastle Wind Statistics September WindGlenanne (34km)2025AugustSeptemberStrongest 14 September, 202526.8mph SAverage September8mphStrongest 31 August, 202526.8mph SSWAverage August6mphStrongest 24 January, 202542.5mph SWAverage 20256.6mphClimate (2011–Present)Glenanne (34km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202542.5mph SWAverage 2020–20257.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September27.5%15%2.5%CalmStrongGet WillyWeather+ to remove ads