Castle Sween Rainfall ForecastUnited KingdomSTArgyll and ButeCastle SweenToday 21 Feb95%Sun 22 Feb85%Mon 23 Feb90%Tue 24 Feb75%Wed 25 Feb50%Thu 26 Feb55%Fri 27 Feb40%Castle Sween rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 am.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