Llyn Brianne Rainfall ForecastUnited KingdomWLCeredigionLlyn BrianneToday 10 Nov90%Wed 11 Nov45%Thu 12 NovNo RainFri 13 Nov5%Sat 14 Nov20%Sun 15 Nov65%Mon 16 Nov55%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Llyn Brianne rainfall forecast issued today at 12:08 pm. Next forecast at approx. 2:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads