Grangemouth (Falkirk) Rainfall ForecastUnited KingdomDGFalkirkGrangemouth (Falkirk)Today 10 Apr90%Sat 11 Apr45%Sun 12 Apr40%Mon 13 Apr35%Tue 14 Apr15%Wed 15 Apr15%Grangemouth (Falkirk) 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 Munduff Hill (Fife) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads