Loch Grannoch Rainfall ForecastUnited KingdomDGDumfries and GallowayLoch GrannochToday 22 Oct95%Fri 23 Oct80%Sat 24 Oct100%Sun 25 Oct75%Mon 26 Oct95%Tue 27 Oct75%Wed 28 Oct80%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 7:10 pm. Next forecast at approx. 9:10 am. Rainfall Rainfall AccumulationHolehead (Stirling) RadarGet WillyWeather+ to remove ads