St Mary's Wind ForecastUnited KingdomSWCornwallSt Mary's1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time St Mary's wind forecast issued today at 7:11 pm. Next forecast at approx. 7:11 am.St Mary's Wind Statistics September WindScilly St Marys (1km)2025AugustSeptemberStrongest 9 September, 202533.6mph SAverage September16.2mphStrongest 28 August, 202535.8mph SAverage August11.3mphStrongest 26 January, 202560.4mph SSEAverage 202512.8mphClimate (2011–Present)Scilly St Marys (1km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 26 January, 202560.4mph SSEAverage 2020–202514mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads