Penllyn Wind ForecastUnited KingdomWLVale of GlamorganPenllyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Penllyn wind forecast issued today at 1:08 pm. Next forecast at approx. 1:08 am. Wind Speed Wind GustPenllyn Wind Statistics August WindSt-athan (8km)2026JulyAugustStrongest 5 August, 202617.9mph WAverage August6.6mphStrongest 13 July, 202624.6mph NEAverage July8.4mphStrongest 24 March, 202631.3mph WSWAverage 20268.7mphClimate (2021–2026)St-athan (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2021–20267.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August27.5%15%2.5%CalmStrongAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August30%16.25%2.5%CalmStrongGet WillyWeather+ to remove ads