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 7:11 am. Next forecast at approx. 7:11 pm.Trefor Wind Statistics August WindValley (7km)2025JulyAugustStrongest 4 August, 202538mph SSWAverage August10.2mphStrongest 15 July, 202533.6mph SSWAverage July9mphStrongest 24 January, 202551.4mph SAverage 202510.5mphClimate (2011–Present)Valley (7km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2020–202512mphWind 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