Ashley River - Old Fort Dorchester Rainfall ForecastUnited StatesSCDorchester CountyAshley River - Old Fort DorchesterToday 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 Apr5%Wed 23 Apr35%Thu 24 Apr25%Fri 25 Apr10%Ashley River - Old Fort Dorchester rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 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