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 9:33 am. Next forecast at approx. 9:33 pm. St Marys South Wind Statistics View MoreMay WindHorsley Park (11km)2025AprilMayStrongest 1 May, 202535.3km/h SAverage May7.6km/hStrongest 22 April, 202546.4km/h SAverage April6.6km/hStrongest 17 January, 202568.4km/h SAverage 20257.5km/hClimate (2010–Present)Horsley Park (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 October, 202394.3km/h WNWAverage 2020–20257km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May25%13.75%2.5%CalmFreshMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May27.5%15%2.5%CalmFreshGet WillyWeather+ to remove ads