Castellau Wind ForecastUnited KingdomWLRhondda Cynon TaffCastellau1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Castellau wind forecast issued today at 7:12 am. Next forecast at approx. 7:12 pm.Castellau Wind Statistics April WindSt-athan (19km)2025MarchAprilStrongest – Average April–Strongest 28 March, 202522.4mph WAverage March6.5mphStrongest 1 January, 202531.3mph SWAverage 20257.5mphClimate (2011–Present)St-athan (19km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2020–20257.8mphWind 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 WillyWeather+ to remove ads