Old Harlow Rainfall ForecastUnited KingdomEEEssexOld HarlowToday 12 Feb85%Fri 13 Feb60%Sat 14 Feb15%Sun 15 Feb25%Mon 16 Feb35%Tue 17 Feb15%Wed 18 Feb15%Old Harlow rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Chenies (Hertfordshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads