Jefferson Rainfall ForecastUnited StatesPAWashington CountyJeffersonToday 19 Apr80%Sun 20 Apr45%Mon 21 Apr65%Tue 22 Apr45%Wed 23 Apr10%Thu 24 Apr20%Fri 25 Apr50%Jefferson rainfall forecast issued today at 8:04 am. Next forecast at approx. 10:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Pittsburgh RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads