Jamestown Wind ForecastAustraliaSAClare ValleyJamestown1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Jamestown wind forecast issued today at 4:09 pm. Next forecast at approx. 4:09 am. Jamestown Wind Statistics View MoreSeptember WindClare High School (24km)2024AugustSeptemberStrongest 2 September, 202463km/h WAverage September11.7km/hStrongest 20 August, 202466.6km/h WNWAverage August11.1km/hStrongest 19 July, 202470.2km/h NWAverage 20249.9km/hClimate (2010–Present)Clare High School (24km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 25 November, 201979.6km/h WNWAverage 2019–202410.3km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September22.5%12.5%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September25%13.75%2.5%CalmStrongGet WillyWeather+ to remove ads