West Branch Cooper River - Pimlico Rainfall ForecastUnited StatesSCBerkeley CountyWest Branch Cooper River - PimlicoToday 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 Apr5%Wed 23 Apr35%Thu 24 Apr25%Fri 25 Apr10%West Branch Cooper River - Pimlico rainfall forecast issued today at 7:04 pm. Next forecast at approx. 9:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Charleston RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads