Treflach Wind ForecastUnited KingdomWMShropshireTreflach1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Treflach wind forecast issued today at 7:09 pm. Next forecast at approx. 7:09 am.Treflach Wind Statistics June WindLake Vyrnwy Saws (25km)2025MayJuneStrongest 9 June, 202529.1mph SWAverage June8.6mphStrongest 25 May, 202526.8mph SWAverage May7.7mphStrongest 24 January, 202547mph SWAverage 20257.4mphClimate (2011–Present)Lake Vyrnwy Saws (25km)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