Johnston Wind ForecastUnited KingdomWLPembrokeshireJohnston1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Johnston wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm.Johnston Wind Statistics June WindMilford Haven C.b. (6km)2026MayJuneStrongest 1 June, 202613.4mph SSWAverage June11.2mphStrongest 19 May, 202624.6mph SAverage May7.4mphStrongest 27 January, 202640.3mph ESEAverage 202610.6mphClimate (2011–Present)Milford Haven C.b. (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202444.7mph WAverage 2021–20269.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmNear GaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads