Penrhiw-llan Rainfall ForecastUnited KingdomWLCeredigionPenrhiw-llanToday 8 Sep80%Wed 9 Sep45%Thu 10 Sep80%Fri 11 Sep10%Sat 12 Sep55%Sun 13 Sep25%Mon 14 Sep45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Penrhiw-llan rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads