Bontddu Rainfall ForecastUnited KingdomWLGwyneddBontdduToday 4 Jul10%Sun 5 Jul20%Mon 6 Jul20%Tue 7 Jul15%Wed 8 Jul15%Thu 9 Jul15%Bontddu 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