Trefor Rainfall ForecastUnited KingdomWLGwyneddTreforToday 14 May80%Fri 15 May10%Sat 16 May85%Sun 17 May45%Mon 18 May90%Tue 19 May65%Wed 20 May50%Trefor rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads