River Dart - Dartmouth Castle Rainfall ForecastUnited KingdomSWDevonRiver Dart - Dartmouth CastleToday 18 Jan55%Mon 19 Jan80%Tue 20 Jan45%Wed 21 Jan60%Thu 22 Jan70%Fri 23 Jan20%River Dart - Dartmouth Castle rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads