Onllwyn Wind ForecastUnited KingdomWLNeath Port TalbotOnllwyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Onllwyn wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm.Onllwyn Wind Statistics September WindSennybridge (31km)2025AugustSeptemberStrongest 7 September, 202522.4mph SSEAverage September6.7mphStrongest 4 August, 202524.6mph WSWAverage August4.3mphStrongest 24 January, 202535.8mph SSWAverage 20254.9mphClimate (2011–Present)Sennybridge (31km)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 September15%8.75%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September25%13.75%2.5%CalmStrongGet WillyWeather+ to remove ads