Castlereagh Rainfall ForecastUnited KingdomNICastlereaghCastlereaghToday 1 Jun60%Mon 2 Jun95%Tue 3 Jun40%Wed 4 Jun45%Thu 5 Jun45%Fri 6 Jun45%Castlereagh rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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