Alltwen Rainfall ForecastUnited KingdomWLNeath Port TalbotAlltwenToday 20 Jun5%Sat 21 Jun50%Sun 22 Jun65%Mon 23 Jun55%Tue 24 Jun60%Wed 25 Jun40%Thu 26 Jun40%Alltwen rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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