Tonna Rainfall ForecastUnited KingdomWLNeath Port TalbotTonnaToday 4 MayNo RainSun 5 May50%Mon 6 May30%Tue 7 May5%Wed 8 May5%Thu 9 May5%Tonna rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads