Portstewart Strand Rainfall ForecastUnited KingdomNIColerainePortstewart StrandToday 9 Sep55%Thu 10 Sep75%Fri 11 Sep80%Sat 12 Sep80%Sun 13 Sep10%Mon 14 Sep45%Tue 15 Sep35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portstewart Strand rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads