Twatt Rainfall ForecastUnited KingdomOSOrkney IslandsTwattToday 15 Sep85%Tue 16 Sep35%Wed 17 Sep50%Thu 18 Sep55%Fri 19 Sep30%Sat 20 Sep55%Sun 21 Sep15%Twatt 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