Portlandoo Harbour Rainfall ForecastUnited KingdomNIColerainePortlandoo HarbourToday 17 Dec30%Thu 18 Dec85%Fri 19 Dec40%Sat 20 Dec20%Sun 21 Dec15%Mon 22 Dec15%Tue 23 Dec10%Portlandoo Harbour rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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