River Tamar - St Germans River Entrance Rainfall ForecastUnited KingdomSWCornwallRiver Tamar - St Germans River EntranceToday 1 Sep60%Wed 2 Sep80%Thu 3 Sep55%Fri 4 Sep40%Sat 5 Sep15%Sun 6 Sep35%Mon 7 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time River Tamar - St Germans River Entrance rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads