Castle Bay Rainfall ForecastUnited KingdomHEWestern IslesCastle BayToday 18 Jul70%Sun 19 Jul50%Mon 20 Jul15%Tue 21 Jul15%Wed 22 Jul20%Thu 23 Jul15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castle Bay rainfall forecast issued today at 4:23 am. Next forecast at approx. . Rainfall Rainfall AccumulationDruim a'Starraig (Isle of Lewis) RadarGet WillyWeather+ to remove ads