Germantown Rainfall ForecastUnited StatesOHWashington CountyGermantownToday 18 Apr10%Sat 19 Apr60%Sun 20 Apr40%Mon 21 Apr55%Tue 22 Apr60%Wed 23 Apr10%Thu 24 Apr20%Germantown rainfall forecast issued today at 8:04 pm. Next forecast at approx. 10:04 am.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