Marian Cwm Rainfall ForecastUnited KingdomWLDenbighshireMarian CwmToday 28 Apr80%Mon 29 Apr45%Tue 30 Apr50%Wed 1 May40%Thu 2 May30%Fri 3 May40%Sat 4 May5%Marian Cwm rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet an account to remove ads