Chapmans Rock Rainfall ForecastUnited KingdomNILarneChapmans RockToday 2 Jul75%Thu 3 Jul70%Fri 4 Jul50%Sat 5 Jul35%Sun 6 Jul15%Mon 7 Jul5%Chapmans Rock rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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