Arnold City Rainfall ForecastUnited StatesPAFayette CountyArnold CityToday 18 Apr5%Sat 19 Apr70%Sun 20 Apr35%Mon 21 Apr60%Tue 22 Apr45%Wed 23 Apr10%Thu 24 Apr30%Arnold City rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 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