River Tamar - Pentillie Castle Rainfall ForecastUnited KingdomSWCornwallRiver Tamar - Pentillie CastleToday 27 Sep85%Mon 28 Sep20%Tue 29 Sep85%Wed 30 Sep35%Thu 1 Oct5%Fri 2 Oct10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time River Tamar - Pentillie Castle rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads