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February 28th, 2026 :: 6:46 pm EST   

Local Weather Report for
Merrimack
New Hampshire, United States

 Current Merrimack Weather Conditions Updated February 28th at 5:53 pm 
Mostly Clear
Temperature:46°F Dew Point:25°F
Barometer:30.01 inHg Wind:N 11 Mph
Humidity:42.3% Visibility:0M
 
 Merrimack Weather Forecast Summary  
 
Today
Feb 28th
Sunday
Mar 1st
Monday
Mar 2nd
Tuesday
Mar 3rd
Wednesday
Mar 4th
Cloudy Mix of rain and snow Sunny Cloudy Cloudy
41°F
39°F
11°F
19°F
5°F
30°F
11°F
37°F
24°F
 
 Merrimack Detailed Weather Forecast  
 
Saturday, February 28th, 2026
Evening Temperature: 32°F
Clear with cloudy periods.
Sunday, March 1st, 2026
Overnight Temperature: 31°F
Cloudy.
Morning Temperature: 36°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 26°F
Sunny. Windy at times.
Evening Temperature: 13°F
Clear. Windy at times.
Monday, March 2nd, 2026
Overnight Temperature: 6°F
Clear. Windy at times.
Morning Temperature: 15°F
Sunny.
Afternoon Temperature: 16°F
Sunny.
Evening Temperature: 11°F
Clear.
Tuesday, March 3rd, 2026
Overnight Temperature: 13°F
Cloudy.
Morning Temperature: 26°F
Cloudy with a chance of flurries.
Afternoon Temperature: 28°F
Cloudy with sunny periods with a chance of flurries.
Evening Temperature: 27°F
Cloudy.
Wednesday, March 4th, 2026
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 34°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy. Windy at times.
Evening Temperature: 34°F
A mix of cloudy and clear skies. Windy.





 

  [ Local Weather Report ]
Litchfield, NH 
5:56 PM  39°F
 
 
Manchester, NH 
5:53 PM  46°F
Mostly Clear
 
Londonderry, NH 
5:53 PM  46°F
Mostly Clear
 
Nashua, NH 
5:56 PM  39°F
 
 
Amherst, NH 
 
Hudson, NH 
5:56 PM  39°F
 
 
Milford, NH 
 
Derry, NH 
5:53 PM  46°F
Mostly Clear
 
Mont Vernon, NH 
 
Hollis, NH 
5:56 PM  39°F
 

 
This WeatherCity Weather Forecast for Merrimack, New Hampshire, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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