St Germans River - Erth Hill Rainfall ForecastUnited KingdomSWCornwallSt Germans River - Erth HillToday 28 Sep50%Tue 29 Sep100%Wed 30 Sep45%Thu 1 Oct10%Fri 2 Oct30%Sat 3 Oct20%Sun 4 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Germans River - Erth Hill rainfall forecast issued today at 7:10 pm. Next forecast at approx. 9:10 am. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads