Grattai Mountain Wind ForecastAustraliaNSWNew England and North West SlopesGrattai Mountain1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Grattai Mountain wind forecast issued today at 5:34 pm. Next forecast at approx. 5:34 am. Grattai Mountain Wind Statistics View MoreMay WindNarrabri Airport (33km)2026AprilMayStrongest 7 May, 202644.3km/h SWAverage May10.5km/hStrongest 10 April, 202650km/h NNEAverage April12km/hStrongest 4 January, 202696.1km/h SWAverage 202614.6km/hClimate (2010–Present)Narrabri Airport (33km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 8 November, 2025111.2km/h NAverage 2021–202613.6km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May22.5%12.5%2.5%CalmNear GaleMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May32.5%17.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads