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 1:34 am. Next forecast at approx. 1:34 pm. St Marys Wind Statistics View MoreJanuary WindPenrith Lakes (10km)2026DecemberJanuaryStrongest 4 January, 202653.6km/h SWAverage January6.7km/hStrongest 6 December, 202561.2km/h WNWAverage December8.4km/hStrongest 4 January, 202653.6km/h SWAverage 20266.7km/hClimate (2010–Present)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 January22.5%12.5%2.5%CalmStrongJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January17.5%10%2.5%CalmStrongGet WillyWeather+ to remove ads