Tywyn Rainfall ForecastUnited KingdomWLGwyneddTywynToday 28 Apr55%Mon 29 Apr90%Tue 30 Apr50%Wed 1 May15%Thu 2 May10%Fri 3 May15%Tywyn rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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