Holm (Orkney Islands) Rainfall ForecastUnited KingdomOSOrkney IslandsHolm (Orkney Islands)Today 18 Sep55%Fri 19 Sep40%Sat 20 Sep40%Sun 21 Sep35%Mon 22 Sep10%Tue 23 Sep5%Holm (Orkney Islands) rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hill of Dudwick (Aberdeenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads