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February 25th, 2026 :: 6:04 pm EST   

Local Weather Report for
Merrimack
New Hampshire, United States

 Current Merrimack Weather Conditions Updated February 25th at 4:53 pm 
Overcast
Temperature:34°F Dew Point:27°F
Barometer:29.59 inHg Wind:calm
Humidity:74.5% Visibility:0M
 
 Merrimack Weather Forecast Summary  
 
Today
Feb 25th
Thursday
Feb 26th
Friday
Feb 27th
Saturday
Feb 28th
Sunday
Mar 1st
Mix of rain and snow Cloudy Mostly Sunny Cloudy Mix of rain and snow
34°F
33°F
19°F
32°F
14°F
41°F
25°F
39°F
11°F
 
 Merrimack Detailed Weather Forecast  
 
Wednesday, February 25th, 2026
Evening Temperature: 34°F
Cloudy. Windy at times.
Thursday, February 26th, 2026
Overnight Temperature: 25°F
Clear. Windy at times.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 29°F
Cloudy.
Evening Temperature: 23°F
A mix of cloudy and clear skies.
Friday, February 27th, 2026
Overnight Temperature: 16°F
Clear with cloudy periods.
Morning Temperature: 28°F
Sunny.
Afternoon Temperature: 27°F
A mix of cloud and sun.
Evening Temperature: 22°F
Clear.
Saturday, February 28th, 2026
Overnight Temperature: 26°F
Cloudy.
Morning Temperature: 39°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 38°F
Sunny with cloudy periods. Windy at times.
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 
4:56 PM  34°F
Overcast
 
Manchester, NH 
4:53 PM  34°F
Overcast
 
Londonderry, NH 
4:53 PM  34°F
Overcast
 
Nashua, NH 
4:56 PM  34°F
Overcast
 
Amherst, NH 
 
Hudson, NH 
4:56 PM  34°F
Overcast
 
Milford, NH 
 
Derry, NH 
4:53 PM  34°F
Overcast
 
Mont Vernon, NH 
 
Hollis, NH 
4:56 PM  34°F
Overcast

 
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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