Harpenden Wind ForecastUnited KingdomEEHertfordshireHarpenden1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harpenden wind forecast issued today at 1:14 pm. Next forecast at approx. 1:14 am. Wind Speed Wind GustHarpenden Wind Statistics October WindRothamsted (1 km)2026SeptemberOctoberStrongest – Average October–Strongest – Average September–Strongest – Average 2026–Climate (2021–2026)Rothamsted (1 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest – Average 2021–2026–Get WillyWeather+ to remove ads