Merrion Rainfall ForecastUnited KingdomWLPembrokeshireMerrionToday 12 AugNo RainThu 13 Aug10%Fri 14 Aug45%Sat 15 Aug5%Sun 16 Aug40%Mon 17 Aug40%Tue 18 Aug40%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Merrion rainfall forecast issued today at 7:10 am. Next forecast at approx. 9:10 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads