Porth Llawenan Rainfall ForecastUnited KingdomWLGwyneddPorth LlawenanToday 2 Sep20%Thu 3 Sep95%Fri 4 Sep15%Sat 5 Sep10%Sun 6 Sep50%Mon 7 Sep60%Tue 8 Sep60%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Porth Llawenan 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