Holywood Rainfall ForecastUnited KingdomNINorth DownHolywoodToday 12 Nov15%Fri 13 Nov10%Sat 14 Nov75%Sun 15 Nov50%Mon 16 Nov20%Tue 17 Nov40%Wed 18 Nov10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Holywood rainfall forecast issued today at 12:08 pm. Next forecast at approx. 2:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads