Islay - Frenchmans Rocks Rainfall ForecastUnited KingdomSTArgyll and ButeIslay - Frenchmans RocksToday 17 Jul85%Fri 18 Jul85%Sat 19 Jul50%Sun 20 Jul35%Mon 21 Jul40%Tue 22 Jul50%Wed 23 Jul50%Islay - Frenchmans Rocks rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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