Afton Wind ForecastUnited StatesWIRock CountyAfton1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Afton wind forecast issued today at 8:39 am. Next forecast at approx. 8:39 pm.Afton Wind Statistics November WindJanesville-Rock County (1.9 miles)2025OctoberNovemberStrongest – Average November–Strongest 19 October, 202518.3mph NWAverage October7.7mphStrongest 14 April, 202526.4mph WAverage 20258.3mphClimate (2010–Present)Janesville-Rock County (1.9 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 4 December, 202428.9mph WNWAverage 2020–20258.5mphGet WillyWeather+ to remove ads