Portlandoo Harbour Rainfall ForecastUnited KingdomNIColerainePortlandoo HarbourToday 28 Mar90%Fri 29 Mar35%Sat 30 Mar40%Sun 31 Mar10%Mon 1 Apr10%Tue 2 Apr25%Wed 3 Apr20%Portlandoo Harbour rainfall forecast issued today at 6:43 pm. Next forecast at approx. 8:43 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 an account to remove ads