Gress Rainfall ForecastUnited KingdomHEWestern IslesGressToday 15 Sep30%Tue 16 Sep45%Wed 17 Sep90%Thu 18 Sep40%Fri 19 Sep40%Sat 20 Sep40%Sun 21 Sep15%Gress rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Druim a'Starraig (Isle of Lewis) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads