Castlereagh Rainfall ForecastUnited KingdomNICastlereaghCastlereaghToday 13 Sep60%Sun 14 Sep95%Mon 15 Sep70%Tue 16 Sep90%Wed 17 Sep80%Thu 18 Sep15%Fri 19 Sep15%Castlereagh rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.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