St Lawrence Rainfall ForecastUnited KingdomSWCornwallSt LawrenceToday 25 Apr45%Fri 26 Apr90%Sat 27 Apr45%Sun 28 Apr15%Mon 29 Apr45%Tue 30 Apr50%St Lawrence 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 Predannack (Cornwall) RadarNational SatelliteNational SynopticGet an account to remove ads