Harpenden Wind ForecastUnited KingdomEEHertfordshireHarpenden1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harpenden wind forecast issued today at 7:12 am. Next forecast at approx. 7:12 pm. Wind Speed Wind GustHarpenden Wind Statistics July WindRothamsted (1km)2026JuneJulyStrongest – Average July–Strongest – Average June–Strongest – Average 2026–Climate (2021–2026)Rothamsted (1km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest – Average 2021–2026–Get WillyWeather+ to remove ads