Castle Bay Rainfall ForecastUnited KingdomHEWestern IslesCastle BayToday 1 Jul5%Wed 2 Jul80%Thu 3 Jul85%Fri 4 Jul95%Sat 5 Jul55%Sun 6 Jul50%Mon 7 Jul15%Castle Bay rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.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 WillyWeather+ to remove ads