Castledawson Rainfall ForecastUnited KingdomNIMagherafeltCastledawsonToday 3 Aug90%Tue 4 Aug80%Wed 5 Aug65%Thu 6 Aug10%Fri 7 Aug40%Sat 8 Aug35%Sun 9 Aug30%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castledawson rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads