Castles Bay Rainfall ForecastUnited KingdomWLPembrokeshireCastles BayToday 20 Dec95%Sun 21 Dec80%Mon 22 Dec35%Tue 23 Dec35%Wed 24 Dec10%Thu 25 Dec5%Fri 26 Dec5%Castles Bay rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads