Trevethin Wind ForecastUnited KingdomWLTorfaenTrevethin1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trevethin wind forecast issued today at 1:03 pm. Next forecast at approx. 1:03 am.Trevethin Wind Statistics April WindSt-athan (26.7 miles)2021MarchAprilStrongest 1 April, 202122.4mph ENEAverage April8.7mphStrongest 11 March, 202142.5mph WSWAverage March7.1mphStrongest 11 March, 202142.5mph WSWAverage 20218.3mphClimate (2011–Present)St-athan (26.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 March, 202142.5mph WSWAverage 2011–Present8.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average April27.5%15%2.5%CalmNear GaleApril Wind RoseApril (5 Year Average)5 Year Average Annual5 Year Average April22.5%12.5%2.5%CalmNear GaleGet an account to remove ads