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 5:34 pm. Next forecast at approx. 5:34 am. St Marys South Wind Statistics View MoreMay WindHorsley Park (11km)2026AprilMayStrongest 7 May, 202646.4km/h SWAverage May6.1km/hStrongest 12 April, 202635.3km/h WAverage April5.3km/hStrongest 17 January, 202663km/h ESEAverage 20266.3km/hClimate (2010–Present)Horsley Park (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 October, 202394.3km/h WNWAverage 2021–20267km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May27.5%15%2.5%CalmFreshMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May27.5%15%2.5%CalmFreshGet WillyWeather+ to remove ads