Portrush Rainfall ForecastUnited KingdomNIColerainePortrushToday 28 Jan5%Thu 29 Jan55%Fri 30 Jan60%Sat 31 Jan45%Sun 1 Feb45%Mon 2 Feb50%Tue 3 Feb50%Portrush rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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