Harnham Hill Rainfall ForecastUnited KingdomSWWiltshireHarnham HillToday 19 Oct95%Tue 20 Oct95%Wed 21 Oct90%Thu 22 Oct95%Fri 23 Oct80%Sat 24 Oct85%Sun 25 Oct40%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Harnham Hill rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads