Castlereagh Rainfall ForecastUnited KingdomNICastlereaghCastlereaghToday 15 Dec5%Tue 16 Dec95%Wed 17 Dec80%Thu 18 Dec35%Fri 19 Dec40%Sat 20 Dec5%Castlereagh rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads