Trefor Wind ForecastUnited KingdomWLIsle of AngleseyTrefor1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trefor wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm. Wind Speed Wind GustTrefor Wind Statistics August WindValley (7km)2026JulyAugustStrongest 5 August, 202624.6mph WAverage August10.3mphStrongest 1 July, 202633.6mph SSWAverage July10.6mphStrongest 4 April, 202649.2mph SSWAverage 202612.4mphClimate (2021–2026)Valley (7km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2021–202612.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August15%8.75%2.5%CalmNear GaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads