Penns Cave Airport Rainfall ForecastUnited StatesPACentre CountyPenns Cave AirportToday 19 Apr65%Sun 20 Apr45%Mon 21 Apr40%Tue 22 Apr70%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr50%Penns Cave Airport rainfall forecast issued today at 10:04 pm. Next forecast at approx. 12:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time State College RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads