London Rainfall ForecastUnited KingdomSEGreater LondonLondonToday 15 May10%Fri 16 May10%Sat 17 May5%Sun 18 May5%Mon 19 May5%Tue 20 May5%Wed 21 May5%London rainfall forecast issued today at 1:39 pm. Next forecast at approx. 3:39 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