Loch Grannoch Rainfall ForecastUnited KingdomDGDumfries and GallowayLoch GrannochToday 3 Sep95%Fri 4 Sep85%Sat 5 Sep60%Sun 6 Sep85%Mon 7 Sep75%Tue 8 Sep65%Wed 9 Sep45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Loch Grannoch rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationHolehead (Stirling) RadarGet WillyWeather+ to remove ads