Loch Grannoch Rainfall ForecastUnited KingdomDGDumfries and GallowayLoch GrannochToday 14 Nov10%Sat 15 Nov5%Sun 16 NovNo RainMon 17 Nov55%Tue 18 Nov55%Wed 19 Nov35%Thu 20 Nov15%Loch Grannoch 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