Isle of Bute - Saint Ninians Bay Rainfall ForecastUnited KingdomSTArgyll and ButeIsle of Bute - Saint Ninians BayToday 1 Sep90%Wed 2 Sep80%Thu 3 Sep40%Fri 4 Sep40%Sat 5 Sep45%Sun 6 Sep70%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Isle of Bute - Saint Ninians Bay rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationHolehead (Stirling) RadarGet WillyWeather+ to remove ads