Jamestown Wind ForecastUnited StatesCATuolumne CountyJamestown1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Jamestown wind forecast issued today at 12:37 am. Next forecast at approx. 12:37 pm.Jamestown Wind Statistics December WindCOLUMBIA (5 miles)2025NovemberDecemberStrongest 23 December, 202520.8mph SEAverage December4.7mphStrongest 5 November, 202513.9mph SSEAverage November4.8mphStrongest 23 December, 202520.8mph SEAverage 20255.5mphClimate (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