Groeslon Rainfall ForecastUnited KingdomWLGwyneddGroeslonToday 17 Oct5%Sun 18 Oct15%Mon 19 Oct5%Tue 20 Oct60%Wed 21 Oct85%Thu 22 Oct75%Fri 23 Oct60%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Groeslon rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads