Loch Grannoch Rainfall ForecastUnited KingdomDGDumfries and GallowayLoch GrannochToday 28 Apr65%Mon 29 Apr95%Tue 30 Apr85%Wed 1 May15%Thu 2 May5%Fri 3 May5%Loch Grannoch rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Holehead (Stirling) RadarNational SatelliteNational SynopticGet an account to remove ads