Merthyr Cynog Wind ForecastUnited KingdomWLPowysMerthyr Cynog1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Merthyr Cynog wind forecast issued today at 6:11 pm. Next forecast at approx. 6:11 am.Merthyr Cynog Wind Statistics December WindSennybridge (10km)2025NovemberDecemberStrongest 1 December, 202524.6mph SSWAverage December12.3mphStrongest 28 November, 202526.8mph SWAverage November6.8mphStrongest 24 January, 202535.8mph SSWAverage 20255.1mphClimate (2011–Present)Sennybridge (10km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 26 December, 202035.8mph SWAverage 2020–20255.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmGaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads