Twatt Rainfall ForecastUnited KingdomOSOrkney IslandsTwattToday 17 Sep75%Thu 18 Sep85%Fri 19 Sep55%Sat 20 Sep40%Sun 21 Sep35%Mon 22 Sep20%Tue 23 Sep10%Twatt rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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