South Marston Wind ForecastUnited KingdomSWWiltshireSouth Marston1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time South Marston wind forecast issued yesterday at 7:12 pm. Next forecast at approx. 7:12 am.South Marston Wind Statistics August WindLyneham (21km)2025JulyAugustStrongest – Average August–Strongest – Average July–Strongest – Average 2025–Climate (2011–Present)Lyneham (21km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 March, 202126.8mph WSWAverage 2020–20251.6mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August17.5%10%2.5%CalmFreshAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmFreshGet WillyWeather+ to remove ads