Castlereagh Rainfall ForecastUnited KingdomNICastlereaghCastlereaghToday 2 Oct70%Sat 3 Oct15%Sun 4 Oct50%Mon 5 Oct55%Tue 6 Oct15%Wed 7 Oct10%Thu 8 Oct80%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castlereagh rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads