Johnstone Passage Rainfall ForecastUnited StatesAKYakutat BoroughJohnstone PassageToday 19 Apr20%Sun 20 Apr25%Mon 21 Apr65%Tue 22 Apr50%Wed 23 Apr50%Thu 24 Apr40%Fri 25 Apr35%Johnstone Passage rainfall forecast issued today at 2:04 pm. Next forecast at approx. 4:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Middleton Island RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads