Cumnor Rainfall ForecastUnited KingdomSEOxfordshireCumnorToday 25 Dec10%Fri 26 Dec10%Sat 27 Dec15%Sun 28 Dec10%Mon 29 Dec15%Tue 30 Dec15%Wed 31 Dec15%Cumnor rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.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