The Barmouth Rainfall ForecastUnited KingdomNIColeraineThe BarmouthToday 29 Mar35%Sat 30 Mar40%Sun 31 Mar10%Mon 1 Apr5%Tue 2 Apr15%Wed 3 Apr20%Thu 4 Apr45%The Barmouth rainfall forecast issued today at 12:43 pm. Next forecast at approx. 2:43 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet an account to remove ads