River Mawddach Entrance Rainfall ForecastUnited KingdomWLGwyneddRiver Mawddach EntranceToday 10 Nov55%Wed 11 Nov15%Thu 12 NovNo RainFri 13 Nov5%Sat 14 Nov15%Sun 15 Nov60%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time River Mawddach Entrance rainfall forecast issued today at 12:08 am. Next forecast at approx. 2:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads