Portrush Rainfall ForecastUnited KingdomNIColerainePortrushToday 10 Sep80%Fri 11 Sep95%Sat 12 Sep50%Sun 13 Sep25%Mon 14 Sep45%Tue 15 Sep50%Wed 16 Sep45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portrush rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads