Llanishen Wind ForecastUnited KingdomWLCardiffLlanishen1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Llanishen wind forecast issued today at 1:08 am. Next forecast at approx. 1:08 pm. Wind Speed Wind GustLlanishen Wind Statistics August WindSt-athan (22km)2026JulyAugustStrongest 18 August, 202620.1mph WAverage August7.4mphStrongest 13 July, 202624.6mph NEAverage July8.4mphStrongest 24 March, 202631.3mph WSWAverage 20268.7mphClimate (2021–2026)St-athan (22km)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