Grand Causeway Rainfall ForecastUnited KingdomNIMoyleGrand CausewayToday 11 Apr85%Sun 12 Apr80%Mon 13 Apr60%Tue 14 Apr85%Wed 15 Apr75%Thu 16 Apr40%Fri 17 Apr40%Grand Causeway rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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