St Marys South Wind ForecastAustraliaNSWGreater Western SydneySt Marys South1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time St Marys South wind forecast issued today at 4:34 am. Next forecast at approx. 4:34 pm. St Marys South Wind Statistics View MoreSeptember WindHorsley Park (11km)2025AugustSeptemberStrongest 4 September, 202544.3km/h NNWAverage September6.9km/hStrongest 28 August, 202557.2km/h WAverage August8.2km/hStrongest 17 January, 202568.4km/h SAverage 20257.3km/hClimate (2010–Present)Horsley Park (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 October, 202394.3km/h WNWAverage 2020–20257.1km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September25%13.75%2.5%CalmFreshSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September27.5%15%2.5%CalmFreshGet WillyWeather+ to remove ads