Hoy Rainfall ForecastUnited KingdomOSOrkney IslandsHoyToday 13 May65%Thu 14 May15%Fri 15 May10%Sat 16 May40%Sun 17 May45%Mon 18 May10%Tue 19 May35%Hoy rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 am.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