St Clair Wind ForecastAustraliaNSWGreater Western SydneySt Clair1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time St Clair wind forecast issued today at 8:34 pm. Next forecast at approx. 8:34 am. St Clair Wind Statistics View MoreSeptember WindHorsley Park (9km)2025AugustSeptemberStrongest 4 September, 202544.3km/h NNWAverage September6.6km/hStrongest 28 August, 202557.2km/h WAverage August8.2km/hStrongest 17 January, 202568.4km/h SAverage 20257.2km/hClimate (2010–Present)Horsley Park (9km)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