Alltwen Rainfall ForecastUnited KingdomWLNeath Port TalbotAlltwenToday 12 Sep95%Sun 13 Sep85%Mon 14 Sep65%Tue 15 Sep65%Wed 16 Sep80%Thu 17 Sep60%Fri 18 Sep50%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Alltwen rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads