Jamestown Wind ForecastUnited StatesCATuolumne CountyJamestown1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Jamestown wind forecast issued yesterday at 11:29 pm. Next forecast at approx. 11:29 am.Jamestown Wind Statistics September WindCOLUMBIA (5 miles)2025AugustSeptemberStrongest – Average September–Strongest 15 August, 202513.9mph SSWAverage August6.2mphStrongest 13 February, 202518.3mph SSEAverage 20255.7mphClimate (2010–Present)COLUMBIA (5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 October, 202123mph SEAverage 2020–20255.6mphGet WillyWeather+ to remove ads