Harwell Oxford Rainfall ForecastUnited KingdomSEOxfordshireHarwell OxfordToday 21 Nov45%Fri 22 Nov90%Sat 23 Nov95%Sun 24 Nov85%Mon 25 Nov10%Tue 26 Nov10%Wed 27 Nov15%Harwell Oxford rainfall forecast issued today at 6:38 pm. Next forecast at approx. 8:38 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