Derwent Water Rainfall ForecastUnited KingdomNWCumbriaDerwent WaterToday 14 Feb55%Sat 15 Feb55%Sun 16 Feb15%Mon 17 Feb50%Tue 18 Feb15%Wed 19 Feb20%Derwent Water rainfall forecast issued today at 6:37 am. Next forecast at approx. 8:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads