Islay - Mull of Oa Rainfall ForecastUnited KingdomSTArgyll and ButeIslay - Mull of OaToday 11 Nov35%Thu 12 Nov45%Fri 13 Nov30%Sat 14 Nov55%Sun 15 Nov55%Mon 16 Nov25%Tue 17 Nov20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Islay - Mull of Oa rainfall forecast issued today at 12:08 pm. Next forecast at approx. 2:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads