Holywood Rainfall ForecastUnited KingdomNINorth DownHolywoodToday 17 Aug15%Mon 18 Aug5%Tue 19 Aug10%Wed 20 Aug5%Thu 21 Aug5%Fri 22 Aug15%Sat 23 Aug10%Holywood rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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