The Barmouth Rainfall ForecastUnited KingdomNIColeraineThe BarmouthToday 3 Jul70%Fri 4 Jul80%Sat 5 Jul50%Sun 6 Jul60%Mon 7 Jul40%Tue 8 Jul20%The Barmouth rainfall forecast issued yesterday at 7:37 pm. Next forecast at approx. 9:37 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 WillyWeather+ to remove ads