Porth Colmon Rainfall ForecastUnited KingdomWLGwyneddPorth ColmonToday 17 Oct5%Sun 18 Oct20%Mon 19 Oct5%Tue 20 Oct50%Wed 21 Oct55%Thu 22 Oct80%Fri 23 Oct65%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 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads