Chapmans Rock Rainfall ForecastUnited KingdomNILarneChapmans RockToday 3 Jul85%Fri 4 Jul85%Sat 5 Jul15%Sun 6 Jul15%Mon 7 Jul5%Tue 8 Jul10%Chapmans Rock 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