Issaquah Highlands Rainfall ForecastUnited StatesWAKing CountyIssaquah HighlandsToday 16 AprNo RainThu 17 AprNo RainFri 18 Apr5%Sat 19 Apr15%Sun 20 Apr25%Mon 21 Apr15%Tue 22 Apr10%Issaquah Highlands rainfall forecast issued today at 12:04 am. Next forecast at approx. 2:04 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