Gregory Hills Wind ForecastAustraliaNSWGreater Western SydneyGregory Hills1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Gregory Hills wind forecast issued today at 9:34 am. Next forecast at approx. 9:34 pm. Gregory Hills Wind Statistics View MoreSeptember WindCampbelltown (Mount Annan) (3km)2025AugustSeptemberStrongest 2 September, 202524.1km/h NNEAverage September5.5km/hStrongest 28 August, 202563km/h WSWAverage August8.1km/hStrongest 17 January, 202570.2km/h SAverage 20257.2km/hClimate (2010–Present)Campbelltown (Mount Annan) (3km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 September, 202470.2km/h WAverage 2020–20257.1km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September30%16.25%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September32.5%17.5%2.5%CalmStrongGet WillyWeather+ to remove ads