Portlandoo Harbour Rainfall ForecastUnited KingdomNIColerainePortlandoo HarbourToday 20 Jun10%Sun 21 Jun5%Mon 22 Jun15%Tue 23 Jun10%Wed 24 Jun15%Thu 25 Jun40%Fri 26 Jun35%Portlandoo Harbour rainfall forecast issued today at 7:35 pm. Next forecast at approx. 9:35 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads