Llanarthney Rainfall ForecastUnited KingdomWLCarmarthenshireLlanarthneyToday 2 Jun100%Tue 3 Jun95%Wed 4 Jun80%Thu 5 Jun75%Fri 6 Jun60%Sat 7 Jun60%Sun 8 Jun10%Llanarthney 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