Portlandoo Harbour Rainfall ForecastUnited KingdomNIColerainePortlandoo HarbourToday 6 Aug55%Fri 7 Aug5%Sat 8 Aug50%Sun 9 Aug55%Mon 10 Aug10%Tue 11 Aug10%Wed 12 Aug50%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portlandoo Harbour rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads