Thorn Island Rainfall ForecastUnited KingdomWLPembrokeshireThorn IslandToday 21 Mar15%Sun 22 Mar20%Mon 23 Mar15%Tue 24 Mar65%Wed 25 Mar10%Thu 26 Mar25%Fri 27 Mar30%Thorn Island rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 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