Black Diamond Airport Rainfall ForecastUnited StatesWAKing CountyBlack Diamond AirportToday 16 AprNo RainThu 17 AprNo RainFri 18 Apr5%Sat 19 Apr20%Sun 20 Apr30%Mon 21 Apr15%Tue 22 Apr10%Black Diamond Airport rainfall forecast issued today at 1:04 am. Next forecast at approx. 3:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Seattle RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads