Old Colwyn Rainfall ForecastUnited KingdomWLConwyOld ColwynToday 7 May90%Fri 8 May55%Sat 9 May50%Sun 10 May10%Mon 11 May15%Tue 12 May15%Wed 13 May40%Old Colwyn rainfall forecast issued today at 1:40 pm. Next forecast at approx. 3:40 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 WillyWeather+ to remove ads