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 12:33 am. Next forecast at approx. 12:33 pm. Wind Speed Wind Gust Grattai Mountain Wind Statistics View MoreAugust WindNarrabri Airport (33km)2026JulyAugustStrongest 10 August, 202694.3km/h NNEAverage August12.8km/hStrongest 1 July, 202663km/h NNEAverage July12.6km/hStrongest 27 May, 2026105.5km/h WNWAverage 202613.8km/hClimate (2021–2026)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 August22.5%12.5%2.5%CalmGaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August22.5%12.5%2.5%CalmGaleGet WillyWeather+ to remove ads