Islay - Mull of Oa Rainfall ForecastUnited KingdomSTArgyll and ButeIslay - Mull of OaToday 21 Sep45%Tue 22 Sep80%Wed 23 Sep35%Thu 24 Sep75%Fri 25 Sep30%Sat 26 Sep30%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 1:09 am. Next forecast at approx. 3:09 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads