Dumbarton Rainfall ForecastUnited KingdomSTWest DunbartonshireDumbartonToday 29 Apr95%Tue 30 Apr50%Wed 1 May25%Thu 2 May10%Fri 3 May10%Sat 4 May20%Dumbarton rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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