Thorn Island Rainfall ForecastUnited KingdomWLPembrokeshireThorn IslandToday 17 Sep80%Thu 18 Sep45%Fri 19 Sep85%Sat 20 Sep85%Sun 21 Sep40%Mon 22 Sep10%Tue 23 Sep5%Thorn Island rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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