Merrimack River - Boggy Meadow Creek Entrance UV IndexUnited StatesMAEssex CountyMerrimack River - Boggy Meadow Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMerrimack River - Boggy Meadow Creek Entrance UV forecast issued today at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads