Altnamackan Rainfall ForecastUnited KingdomNINewry and MourneAltnamackanToday 16 NovNo RainMon 17 Nov55%Tue 18 Nov35%Wed 19 Nov40%Thu 20 Nov15%Fri 21 Nov50%Altnamackan rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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