Alton Water Rainfall ForecastUnited KingdomEESuffolkAlton WaterToday 24 Feb15%Wed 25 Feb5%Thu 26 Feb45%Fri 27 Feb40%Sat 28 Feb20%Sun 1 Mar50%Mon 2 Mar15%Alton Water rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads