Derwent Water Rainfall ForecastUnited KingdomNWCumbriaDerwent WaterToday 2 Jul15%Thu 3 Jul65%Fri 4 Jul85%Sat 5 Jul60%Sun 6 Jul50%Mon 7 Jul15%Derwent Water rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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