McMillan Rainfall ForecastUnited StatesDCDistrict of Columbia CountyMcMillanToday 19 Apr5%Sun 20 Apr5%Mon 21 Apr10%Tue 22 Apr30%Wed 23 Apr15%Thu 24 Apr10%Fri 25 Apr30%McMillan rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.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