Portlandoo Harbour Rainfall ForecastUnited KingdomNIColerainePortlandoo HarbourToday 15 Sep95%Tue 16 Sep95%Wed 17 Sep45%Thu 18 Sep45%Fri 19 Sep25%Sat 20 Sep35%Sun 21 Sep45%Portlandoo Harbour rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 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