Groeslon Rainfall ForecastUnited KingdomWLGwyneddGroeslonToday 2 Sep95%Thu 3 Sep90%Fri 4 Sep80%Sat 5 Sep25%Sun 6 Sep60%Mon 7 Sep35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Groeslon rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads