Alltwen Rainfall ForecastUnited KingdomWLNeath Port TalbotAlltwenToday 24 Oct85%Sat 25 Oct75%Sun 26 Oct55%Mon 27 Oct30%Tue 28 Oct35%Wed 29 Oct35%Alltwen rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 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