Castle Douglas Rainfall ForecastUnited KingdomNWCumbriaCastle DouglasToday 18 Dec50%Thu 19 Dec55%Fri 20 Dec85%Sat 21 Dec65%Sun 22 Dec15%Mon 23 Dec45%Castle Douglas rainfall forecast issued today at 12:37 am. Next forecast at approx. 2:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time High Moorsley (Durham) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads