Sisland Rainfall ForecastUnited KingdomEENorfolkSislandToday 15 Sep15%Wed 16 Sep35%Thu 17 Sep50%Fri 18 Sep15%Sat 19 Sep35%Sun 20 Sep5%Mon 21 Sep5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Sisland rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationThurnham (Kent) RadarGet WillyWeather+ to remove ads