Mortimer Rainfall ForecastUnited KingdomSEBerkshireMortimerToday 14 Sep10%Tue 15 Sep50%Wed 16 Sep10%Thu 17 Sep30%Fri 18 Sep10%Sat 19 Sep15%Sun 20 Sep5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Mortimer rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationChenies (Hertfordshire) RadarGet WillyWeather+ to remove ads