Graig Penllyn Wind ForecastUnited KingdomWLVale of GlamorganGraig Penllyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Graig Penllyn wind forecast issued today at 6:11 am. Next forecast at approx. 6:11 pm.Graig Penllyn Wind Statistics January WindSt-athan (9km)2026DecemberJanuaryStrongest 1 January, 202613.4mph WNWAverage January8.9mphStrongest 5 December, 202529.1mph SSEAverage December10.6mphStrongest 1 January, 202613.4mph WNWAverage 20268.9mphClimate (2011–Present)St-athan (9km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2021–20267.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January27.5%15%2.5%CalmGaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January22.5%12.5%2.5%CalmGaleGet WillyWeather+ to remove ads