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 1:11 pm. Next forecast at approx. 1:11 am.Greencastle Wind Statistics August WindGlenanne (34km)2025JulyAugustStrongest 1 August, 20258.9mph NNWAverage August6.7mphStrongest 14 July, 202520.1mph SSWAverage July5.2mphStrongest 24 January, 202542.5mph SWAverage 20256.5mphClimate (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 August17.5%10%2.5%CalmStrongAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August17.5%10%2.5%CalmStrongGet WillyWeather+ to remove ads