Castle Lachlan Rainfall ForecastUnited KingdomSTArgyll and ButeCastle LachlanToday 18 Jun75%Thu 19 Jun10%Fri 20 Jun10%Sat 21 Jun30%Sun 22 Jun45%Mon 23 Jun50%Castle Lachlan rainfall forecast issued today at 1:38 am. Next forecast at approx. 3:38 pm.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