Pittsburgh Rainfall ForecastUnited StatesPAAllegheny CountyPittsburghToday 17 AprNo RainFri 18 Apr5%Sat 19 Apr80%Sun 20 Apr45%Mon 21 Apr60%Tue 22 Apr30%Wed 23 Apr10%Pittsburgh rainfall forecast issued today at 10:04 am. Next forecast at approx. 12:04 am.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