St Marys Wind ForecastAustraliaNSWGreater Western SydneySt Marys1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time St Marys wind forecast issued today at 10:19 am. Next forecast at approx. 10:19 pm. Wind Speed Wind Gust St Marys Wind Statistics View MoreJuly WindPenrith Lakes (10km)2026JuneJulyStrongest 3 July, 202653.6km/h WSWAverage July7.5km/hStrongest 3 June, 202668.4km/h WNWAverage June5.3km/hStrongest 3 June, 202668.4km/h WNWAverage 20266.1km/hClimate (2021–2026)Penrith Lakes (10km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 1 July, 2025103.7km/h WSWAverage 2021–20267km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July22.5%12.5%2.5%CalmStrongJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July25%13.75%2.5%CalmStrongGet WillyWeather+ to remove ads