Greystone Rainfall ForecastUnited KingdomNIDungannonGreystoneToday 18 Jan85%Mon 19 Jan85%Tue 20 Jan50%Wed 21 Jan60%Thu 22 Jan60%Fri 23 Jan75%Sat 24 Jan20%Greystone rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.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