The Barmouth Rainfall ForecastUnited KingdomNIColeraineThe BarmouthToday 31 Dec75%Thu 1 Jan85%Fri 2 Jan45%Sat 3 Jan35%Sun 4 Jan35%Mon 5 Jan20%Tue 6 Jan20%The Barmouth rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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