London Rainfall ForecastUnited KingdomSEGreater LondonLondonToday 19 SepNo RainFri 20 SepNo RainSat 21 SepNo RainSun 22 Sep40%Mon 23 Sep15%London rainfall forecast issued today at 8:31 pm. Next forecast at approx. 10:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National SatelliteNational SynopticGet an account to remove ads