Twynllanan Rainfall ForecastUnited KingdomWLCarmarthenshireTwynllananToday 2 Jun100%Tue 3 Jun95%Wed 4 Jun85%Thu 5 Jun80%Fri 6 Jun50%Sat 7 Jun50%Sun 8 Jun30%Twynllanan rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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