Harold Hill Rainfall ForecastUnited KingdomSEGreater LondonHarold HillToday 25 Apr85%Fri 26 Apr80%Sat 27 Apr80%Sun 28 Apr80%Mon 29 Apr10%Tue 30 Apr20%Wed 1 May20%Harold Hill rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet an account to remove ads