Garndolbenmaen Rainfall ForecastUnited KingdomWLGwyneddGarndolbenmaenToday 3 Jul20%Sat 4 Jul60%Sun 5 Jul25%Mon 6 Jul45%Tue 7 Jul55%Wed 8 Jul20%Garndolbenmaen rainfall forecast issued yesterday at 7:35 pm. Next forecast at approx. 9:35 am.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