Portstewart Wind ForecastUnited KingdomNIColerainePortstewart1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Portstewart wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm. Wind Speed Wind GustPortstewart Wind Statistics June WindMagilligan No 2 (14km)2026MayJuneStrongest 12 June, 202626.8mph WSWAverage June11mphStrongest 12 May, 202626.8mph WNWAverage May9.3mphStrongest 27 January, 202642.5mph ESEAverage 202611.5mphClimate (2021–2026)Magilligan No 2 (14km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202560.4mph WSWAverage 2021–202610.2mphGet WillyWeather+ to remove ads