Porthkerry Wind ForecastUnited KingdomWLVale of GlamorganPorthkerry1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Porthkerry wind forecast issued today at 1:11 am. Next forecast at approx. 1:11 pm.Porthkerry Wind Statistics June WindSt-athan (8km)2025MayJuneStrongest – Average June–Strongest 27 May, 202526.8mph WSWAverage May7.4mphStrongest 16 April, 202535.8mph WAverage 20257.5mphClimate (2011–Present)St-athan (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2020–20257.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June27.5%15%2.5%CalmNear GaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June35%18.75%2.5%CalmNear GaleGet WillyWeather+ to remove ads