Castell Rainfall ForecastUnited KingdomWLConwyCastellToday 8 Jul10%Wed 9 Jul5%Thu 10 Jul5%Fri 11 Jul5%Sat 12 JulNo RainSun 13 Jul5%Mon 14 Jul5%Castell rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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