Maydown Rainfall ForecastUnited KingdomNIDerryMaydownToday 16 Apr85%Fri 17 Apr60%Sat 18 Apr45%Sun 19 Apr10%Mon 20 Apr5%Tue 21 Apr10%Maydown 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 Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads