Merrimack River - Eagle Island Rainfall ForecastUnited StatesMAEssex CountyMerrimack River - Eagle IslandToday 18 Apr20%Sat 19 Apr20%Sun 20 Apr10%Mon 21 Apr15%Tue 22 Apr50%Wed 23 Apr20%Thu 24 Apr20%Merrimack River - Eagle Island 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 Boston RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads