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 1:08 pm. Next forecast at approx. 1:08 am. Wind Speed Wind GustGreencastle Wind Statistics August WindGlenanne (34km)2026JulyAugustStrongest 3 August, 202615.7mph SEAverage August5.1mphStrongest 1 July, 202617.9mph SSWAverage July5.4mphStrongest 27 January, 202633.6mph SEAverage 20267.4mphClimate (2021–2026)Glenanne (34km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202542.5mph SWAverage 2021–20267.1mphWind 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