Alltwen Rainfall ForecastUnited KingdomWLNeath Port TalbotAlltwenToday 12 Mar100%Fri 13 Mar80%Sat 14 Mar50%Sun 15 Mar85%Mon 16 Mar50%Tue 17 Mar50%Wed 18 Mar5%Alltwen rainfall forecast issued today at 6:38 pm. Next forecast at approx. 8:38 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