Charlestown Rainfall ForecastUnited StatesPAFranklin CountyCharlestownToday 19 Apr35%Sun 20 Apr25%Mon 21 Apr30%Tue 22 Apr60%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr50%Charlestown 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 Sterling RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads