Birnam Wind ForecastUnited KingdomTAPerth and KinrossBirnam1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Birnam wind forecast issued today at 1:11 pm. Next forecast at approx. 1:11 am.Birnam Wind Statistics October WindStrathallan (27km)2025SeptemberOctoberStrongest 3 October, 202517.9mph SWAverage October5.2mphStrongest 18 September, 202529.1mph SWAverage September4.1mphStrongest 24 January, 202535.8mph SWAverage 20254.9mphClimate (2011–Present)Strathallan (27km)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 October30%16.25%2.5%CalmStrongOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October22.5%12.5%2.5%CalmStrongGet WillyWeather+ to remove ads