Pierowall Rainfall ForecastUnited KingdomOSOrkney IslandsPierowallToday 18 Sep90%Fri 19 Sep60%Sat 20 Sep45%Sun 21 Sep45%Mon 22 Sep10%Tue 23 Sep10%Pierowall rainfall forecast issued yesterday 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 Hill of Dudwick (Aberdeenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads