Gribinau Rainfall ForecastUnited KingdomWLPembrokeshireGribinauToday 16 Jul60%Thu 17 Jul60%Fri 18 Jul15%Sat 19 Jul15%Sun 20 Jul35%Mon 21 Jul30%Gribinau rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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