River Forth - Forth Viaduct Wind ForecastUnited KingdomTAStirlingRiver Forth - Forth Viaduct1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time River Forth - Forth Viaduct wind forecast issued today at 7:11 pm. Next forecast at approx. 7:11 am.River Forth - Forth Viaduct Wind Statistics September WindStrathallan (25km)2025AugustSeptemberStrongest – Average September–Strongest 4 August, 202529.1mph WSWAverage August4.6mphStrongest 24 January, 202535.8mph SWAverage 20255mphClimate (2011–Present)Strathallan (25km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202535.8mph SWAverage 2020–20255mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September30%16.25%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September35%18.75%2.5%CalmStrongGet WillyWeather+ to remove ads