Islay - Frenchmans Rocks Rainfall ForecastUnited KingdomSTArgyll and ButeIslay - Frenchmans RocksToday 2 Sep50%Wed 3 Sep40%Thu 4 Sep55%Fri 5 Sep10%Sat 6 Sep25%Sun 7 Sep40%Islay - Frenchmans Rocks rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads