Castlewellan Rainfall ForecastUnited KingdomNIDownCastlewellanToday 24 Sep95%Fri 25 Sep40%Sat 26 Sep40%Sun 27 Sep80%Mon 28 Sep45%Tue 29 Sep85%Wed 30 Sep30%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castlewellan rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads