Castlemartin Rainfall ForecastUnited KingdomWLPembrokeshireCastlemartinToday 24 May90%Sun 25 May5%Mon 26 May85%Tue 27 May85%Wed 28 May55%Thu 29 May80%Fri 30 May10%Castlemartin rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.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