Glynneath Rainfall ForecastUnited KingdomWLNeath Port TalbotGlynneathToday 22 Sep45%Wed 23 Sep15%Thu 24 Sep5%Fri 25 Sep35%Sat 26 Sep10%Sun 27 Sep40%Mon 28 Sep35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Glynneath 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