Portrush Rainfall ForecastUnited KingdomNIColerainePortrushToday 27 Oct90%Wed 28 Oct50%Thu 29 Oct45%Fri 30 Oct50%Sat 31 Oct25%Sun 1 Nov15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portrush rainfall forecast issued today at 12:11 am. Next forecast at approx. 2:11 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads