The Barmouth Rainfall ForecastUnited KingdomNIColeraineThe BarmouthToday 12 Jul90%Mon 13 Jul80%Tue 14 Jul90%Wed 15 Jul55%Thu 16 Jul50%The Barmouth rainfall forecast issued today at 5:31 pm. Next forecast at approx. 7:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads