Twynllanan Rainfall ForecastUnited KingdomWLCarmarthenshireTwynllananToday 9 Nov10%Tue 10 Nov85%Wed 11 Nov50%Thu 12 NovNo RainFri 13 Nov5%Sat 14 Nov40%Sun 15 Nov80%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Twynllanan rainfall forecast issued today at 12:08 pm. Next forecast at approx. 2:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads