Tywyn Rainfall ForecastUnited KingdomWLGwyneddTywynToday 4 Oct15%Mon 5 Oct55%Tue 6 Oct65%Wed 7 Oct30%Thu 8 Oct90%Fri 9 Oct90%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Tywyn 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