Walthamstow Reservoirs Rainfall ForecastUnited KingdomSEGreater LondonWalthamstow ReservoirsToday 12 Jul5%Sun 13 Jul5%Mon 14 Jul45%Tue 15 Jul20%Wed 16 Jul45%Thu 17 Jul40%Fri 18 Jul15%Walthamstow Reservoirs rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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