Castle Bay Rainfall ForecastUnited KingdomHEWestern IslesCastle BayToday 28 Apr60%Mon 29 Apr85%Tue 30 Apr50%Wed 1 May5%Thu 2 May5%Fri 3 May5%Castle Bay 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 Druim a'Starraig (Isle of Lewis) RadarNational SatelliteNational SynopticGet an account to remove ads