Portrush Rainfall ForecastUnited KingdomNIColerainePortrushToday 28 Nov90%Sat 29 Nov50%Sun 30 Nov85%Mon 1 Dec45%Tue 2 Dec10%Wed 3 Dec50%Thu 4 Dec30%Portrush rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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