Petrolia Rainfall ForecastUnited StatesNYAllegany CountyPetroliaToday 19 Apr85%Sun 20 Apr40%Mon 21 Apr50%Tue 22 Apr60%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr35%Petrolia rainfall forecast issued today at 6:04 am. Next forecast at approx. 8:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Buffalo RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads