San Juan Island - Andrews Bay Rainfall ForecastUnited StatesWASan Juan CountySan Juan Island - Andrews BayToday 19 Apr10%Sun 20 Apr35%Mon 21 Apr5%Tue 22 AprNo RainWed 23 AprNo RainThu 24 Apr10%Fri 25 Apr15%San Juan Island - Andrews Bay rainfall forecast issued today at 2:04 am. Next forecast at approx. 4:04 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