Sarn Meyllteyrn Rainfall ForecastUnited KingdomWLGwyneddSarn MeyllteyrnToday 3 Jul5%Sat 4 Jul10%Sun 5 Jul10%Mon 6 Jul50%Tue 7 Jul45%Wed 8 Jul10%Sarn Meyllteyrn 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