Castle Douglas Rainfall ForecastUnited KingdomDGDumfries and GallowayCastle DouglasToday 4 Dec100%Thu 5 Dec85%Fri 6 Dec50%Sat 7 Dec40%Sun 8 Dec5%Mon 9 Dec5%Castle Douglas rainfall forecast issued today at 6:38 am. Next forecast at approx. 8:38 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Holehead (Stirling) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads