Castle Sween Rainfall ForecastUnited KingdomSTArgyll and ButeCastle SweenToday 9 Apr80%Fri 10 Apr95%Sat 11 Apr55%Sun 12 Apr60%Mon 13 Apr35%Tue 14 Apr45%Wed 15 Apr55%Castle Sween rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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