Penwhapple Reservoir Rainfall ForecastUnited KingdomSTSouth AyrshirePenwhapple ReservoirToday 18 Feb75%Thu 19 Feb90%Fri 20 Feb95%Sat 21 Feb70%Sun 22 Feb45%Mon 23 Feb55%Tue 24 Feb75%Penwhapple Reservoir rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Holehead (Stirling) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads