Sumner Lake Wind ForecastUnited StatesMIKeweenaw CountySumner Lake1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Sumner Lake wind forecast issued today at 4:33 am. Next forecast at approx. 4:33 pm.Sumner Lake Wind Statistics July WindCopper Harbor (53.4 miles)2025JuneJulyStrongest – Average July–Strongest 21 June, 202547mph SSWAverage June5.6mphStrongest 6 February, 202557.9mph NAverage 20259.6mphClimate (2010–Present)Copper Harbor (53.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 November, 202462mph NNEAverage 2020–20259.1mphGet WillyWeather+ to remove ads