Sarn Wind ForecastUnited KingdomWLPowysSarn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Sarn wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm.Sarn Wind Statistics July WindLake Vyrnwy Saws (33km)2025JuneJulyStrongest 4 July, 202533.6mph SWAverage July8.5mphStrongest 9 June, 202529.1mph SWAverage June9.4mphStrongest 24 January, 202547mph SWAverage 20257.6mphClimate (2011–Present)Lake Vyrnwy Saws (33km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 January, 202451.4mph SWAverage 2020–20258mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July20%11.25%2.5%CalmStrongJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July27.5%15%2.5%CalmStrongGet WillyWeather+ to remove ads