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 11:05 pm. Next forecast at approx. 11:05 am. Jamestown Wind Statistics View MoreAugust WindClare High School (24km)2025JulyAugustStrongest 4 August, 202557.2km/h NNWAverage August8.9km/hStrongest 22 July, 202564.8km/h WNWAverage July11.1km/hStrongest 23 June, 202588.9km/h NWAverage 20259.7km/hClimate (2010–Present)Clare High School (24km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 June, 202588.9km/h NWAverage 2020–202510.2km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmFreshAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August32.5%17.5%2.5%CalmFreshGet WillyWeather+ to remove ads