Porth Colmon Rainfall ForecastUnited KingdomWLGwyneddPorth ColmonToday 1 Sep95%Wed 2 Sep95%Thu 3 Sep90%Fri 4 Sep90%Sat 5 Sep55%Sun 6 Sep75%Mon 7 Sep40%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Porth Colmon rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads