Portstewart Point Rainfall ForecastUnited KingdomNIColerainePortstewart PointToday 4 Sep75%Sat 5 Sep20%Sun 6 Sep65%Mon 7 Sep45%Tue 8 Sep35%Wed 9 Sep15%Thu 10 Sep20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portstewart Point rainfall forecast issued today at 7:11 pm. Next forecast at approx. 9:11 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads