Grwyne Fawr Reservoir Rainfall ForecastUnited KingdomWLPowysGrwyne Fawr ReservoirToday 1 Oct35%Fri 2 Oct85%Sat 3 Oct60%Sun 4 Oct45%Mon 5 Oct45%Tue 6 Oct60%Wed 7 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Grwyne Fawr Reservoir rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationClee Hill (Shropshire) RadarGet WillyWeather+ to remove ads