North Johnston Wind ForecastUnited KingdomWLPembrokeshireNorth Johnston1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time North Johnston wind forecast issued today at 1:10 pm. Next forecast at approx. 1:10 am.North Johnston Wind Statistics July WindMilford Haven C.b. (7km)2025JuneJulyStrongest 5 July, 202520.1mph WAverage July8.9mphStrongest 3 June, 202529.1mph SSWAverage June8.3mphStrongest 24 January, 202544.7mph SAverage 20258.9mphClimate (2011–Present)Milford Haven C.b. (7km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202444.7mph WAverage 2020–20259.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmStrongJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July30%16.25%2.5%CalmStrongGet WillyWeather+ to remove ads