Pen-sarn Rainfall ForecastUnited KingdomWLGwyneddPen-sarnToday 28 Jul15%Wed 29 Jul50%Thu 30 Jul10%Fri 31 Jul5%Sat 1 Aug5%Sun 2 Aug10%Mon 3 Aug10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Pen-sarn 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