Cumnor Rainfall ForecastUnited KingdomSEOxfordshireCumnorToday 26 Oct50%Mon 27 Oct15%Tue 28 Oct15%Wed 29 Oct50%Thu 30 Oct35%Fri 31 Oct15%Cumnor rainfall forecast issued today at 1:35 am. Next forecast at approx. 2:35 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