Twynllanan Rainfall ForecastUnited KingdomWLCarmarthenshireTwynllananToday 22 Mar75%Mon 23 Mar15%Tue 24 Mar95%Wed 25 Mar45%Thu 26 Mar60%Fri 27 Mar75%Sat 28 Mar40%Twynllanan rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.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