Groomsport Rainfall ForecastUnited KingdomNINorth DownGroomsportToday 10 Jul15%Sat 11 Jul45%Sun 12 JulNo RainMon 13 JulNo RainTue 14 JulNo RainWed 15 JulNo RainGroomsport rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads