Trehelig Wind ForecastUnited KingdomWLPowysTrehelig1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trehelig wind forecast issued today at 6:09 am. Next forecast at approx. 6:09 pm.Trehelig Wind Statistics January WindLake Vyrnwy Saws (25km)2026DecemberJanuaryStrongest 12 January, 202633.6mph SWAverage January6.2mphStrongest 9 December, 202542.5mph SSWAverage December11.5mphStrongest 12 January, 202633.6mph SWAverage 20266.2mphClimate (2011–Present)Lake Vyrnwy Saws (25km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 January, 202451.4mph SWAverage 2021–20267.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January20%11.25%2.5%CalmStrong GaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January25%13.75%2.5%CalmStrong GaleGet WillyWeather+ to remove ads