Tonfanau Rainfall ForecastUnited KingdomWLGwyneddTonfanauToday 1 Jul65%Thu 2 Jul15%Fri 3 Jul20%Sat 4 Jul45%Sun 5 Jul20%Mon 6 Jul15%Tue 7 Jul15%Tonfanau rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads