Gullastem Rainfall ForecastUnited KingdomSWCornwallGullastemToday 10 Jan80%Sun 11 Jan90%Mon 12 Jan85%Tue 13 Jan35%Wed 14 Jan75%Thu 15 Jan55%Fri 16 Jan35%Gullastem rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads