Llyn Brianne Rainfall ForecastUnited KingdomWLCeredigionLlyn BrianneToday 28 Jun95%Mon 29 Jun10%Tue 30 Jun45%Wed 1 Jul40%Thu 2 Jul55%Fri 3 Jul20%Llyn Brianne rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads