Bryn-mawr Rainfall ForecastUnited KingdomWLGwyneddBryn-mawrToday 12 May80%Wed 13 May80%Thu 14 May65%Fri 15 May10%Sat 16 May45%Sun 17 May50%Mon 18 May55%Bryn-mawr rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads