Castell Rainfall ForecastUnited KingdomWLConwyCastellToday 4 Aug85%Wed 5 Aug50%Thu 6 Aug45%Fri 7 Aug10%Sat 8 Aug25%Sun 9 Aug40%Mon 10 Aug10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castell rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationHameldon Hill (Lancashire) RadarGet WillyWeather+ to remove ads