Thorn Island Rainfall ForecastUnited KingdomWLPembrokeshireThorn IslandToday 24 JunNo RainThu 25 Jun45%Fri 26 Jun20%Sat 27 Jun50%Sun 28 Jun35%Mon 29 Jun10%Thorn Island rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads