Portsonachan Wind ForecastUnited KingdomSTArgyll and ButePortsonachan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Portsonachan wind forecast issued today at 6:09 pm. Next forecast at approx. 6:09 am.Portsonachan Wind Statistics December WindGlasgow/bishopton (61km)2025NovemberDecemberStrongest 1 December, 20258.9mph ESEAverage December4.5mphStrongest 28 November, 202524.6mph SWAverage November6.3mphStrongest 24 January, 202544.7mph WSWAverage 20256mphClimate (2011–Present)Glasgow/bishopton (61km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202544.7mph WSWAverage 2020–20256.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmNear GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads