Cwmgwyn Rainfall ForecastUnited KingdomWLSwanseaCwmgwynToday 31 Oct15%Sun 1 Nov5%Mon 2 NovNo RainTue 3 Nov5%Wed 4 Nov10%Thu 5 Nov10%Fri 6 Nov10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cwmgwyn rainfall forecast issued today at 6:10 pm. Next forecast at approx. 8:10 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads