Old St Mellons Wind ForecastUnited KingdomWLCardiffOld St Mellons1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Old St Mellons wind forecast issued today at 12:10 pm. Next forecast at approx. 12:10 am.Old St Mellons Wind Statistics February WindSt-athan (26km)2026JanuaryFebruaryStrongest 1 February, 20266.7mph WSWAverage February2.2mphStrongest 30 January, 202629.1mph WSWAverage January8.3mphStrongest 30 January, 202629.1mph WSWAverage 20268.1mphClimate (2011–Present)St-athan (26km)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 February27.5%15%2.5%CalmStrong GaleFebruary Wind RoseFebruary (5 Year Average)5 Year Average Annual5 Year Average February27.5%15%2.5%CalmStrong GaleGet WillyWeather+ to remove ads