Chapmans Rock Rainfall ForecastUnited KingdomNILarneChapmans RockToday 24 Jun15%Thu 25 Jun10%Fri 26 Jun35%Sat 27 Jun35%Sun 28 Jun15%Mon 29 Jun35%Chapmans Rock rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads