Garthmyl Wind ForecastUnited KingdomWLPowysGarthmyl1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Garthmyl wind forecast issued today at 1:11 am. Next forecast at approx. 1:11 pm.Garthmyl Wind Statistics June WindLake Vyrnwy Saws (26km)2025MayJuneStrongest 3 June, 202522.4mph SSWAverage June12.1mphStrongest 25 May, 202526.8mph SWAverage May7.7mphStrongest 24 January, 202547mph SWAverage 20257.4mphClimate (2011–Present)Lake Vyrnwy Saws (26km)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 June20%11.25%2.5%CalmGaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads