Porth Colmon Rainfall ForecastUnited KingdomWLGwyneddPorth ColmonToday 21 Aug10%Fri 22 Aug15%Sat 23 Aug10%Sun 24 Aug10%Mon 25 Aug5%Tue 26 Aug35%Wed 27 Aug40%Porth Colmon rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.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