Grand Causeway Rainfall ForecastUnited KingdomNIMoyleGrand CausewayToday 1 Jun95%Tue 2 Jun65%Wed 3 Jun75%Thu 4 Jun65%Fri 5 Jun40%Sat 6 Jun35%Sun 7 Jun35%Grand Causeway rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 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