Hahns Lake Wind ForecastUnited StatesWIJefferson CountyHahns Lake1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Hahns Lake wind forecast issued yesterday at 11:35 pm. Next forecast at approx. 11:35 am.Hahns Lake Wind Statistics August WindWatertown (3.7 miles)2025JulyAugustStrongest – Average August–Strongest 5 July, 202516.1mph SSWAverage July6.5mphStrongest 15 March, 202524.2mph SWAverage 20258.3mphClimate (2010–Present)Watertown (3.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 6 March, 202230mph SWAverage 2020–20258mphGet WillyWeather+ to remove ads