Brentwood Park Rainfall ForecastUnited StatesVAFairfax CountyBrentwood ParkToday 19 Apr5%Sun 20 Apr5%Mon 21 Apr15%Tue 22 Apr40%Wed 23 Apr20%Thu 24 Apr15%Fri 25 Apr40%Brentwood Park rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Sterling RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads