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December 24th, 2025 :: 11:42 pm EST   

Local Weather Report for
Merrimack
New Hampshire, United States

 Current Merrimack Weather Conditions Updated December 24th at 10:53 pm 
Temperature:16°F Dew Point:12°F
Barometer:30.21 inHg Wind:calm
Humidity:84.7% Visibility:0M
 
 Merrimack Weather Forecast Summary  
 
Today
Dec 24th
Thursday
Dec 25th
Friday
Dec 26th
Saturday
Dec 27th
Sunday
Dec 28th
Cloudy Cloudy Cloudy Cloudy Cloudy
32°F
35°F
14°F
21°F
10°F
23°F
14°F
34°F
14°F
 
 Merrimack Detailed Weather Forecast  
 
Thursday, December 25th, 2025
Overnight Temperature: 29°F
Cloudy.
Morning Temperature: 34°F
Cloudy.
Afternoon Temperature: 27°F
Sunny. Windy at times.
Evening Temperature: 16°F
Clear. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 18°F
Cloudy.
Afternoon Temperature: 19°F
Cloudy.
Evening Temperature: 17°F
Cloudy.
Saturday, December 27th, 2025
Overnight Temperature: 16°F
Cloudy.
Morning Temperature: 21°F
Cloudy.
Afternoon Temperature: 17°F
Sunny.
Evening Temperature: 15°F
Clear.
Sunday, December 28th, 2025
Overnight Temperature: 14°F
Clear.
Morning Temperature: 30°F
A mix of cloud and sun.
Afternoon Temperature: 25°F
Cloudy.
Evening Temperature: 28°F
Cloudy.
Monday, December 29th, 2025
Overnight Temperature: 35°F
Cloudy with a few showers. Showers possibly mixed with wet flurries.
Morning Temperature: 35°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 25°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 24°F
Cloudy. Windy at times.
Tuesday, December 30th, 2025
Overnight Temperature: 19°F
Cloudy. Windy at times.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy at times.
Evening Temperature: 17°F
Clear. Windy at times.
Wednesday, December 31st, 2025
Overnight Temperature: 16°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 24°F
Cloudy.
Afternoon Temperature: 26°F
Cloudy.
Evening Temperature: 26°F
Cloudy. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: 24°F
Cloudy. Windy at times.
Morning Temperature: 20°F
Cloudy with a chance of flurries.
Afternoon Temperature: 18°F
Cloudy with a chance of flurries.
Evening Temperature: 11°F
Clear with cloudy periods. Windy at times.





 

  [ Local Weather Report ]
Litchfield, NH 
10:56 PM  16°F
 
 
Manchester, NH 
10:53 PM  16°F
 
 
Londonderry, NH 
10:53 PM  16°F
 
 
Nashua, NH 
10:56 PM  16°F
 
 
Amherst, NH 
 
Hudson, NH 
10:56 PM  16°F
 
 
Milford, NH 
 
Derry, NH 
10:53 PM  16°F
 
 
Mont Vernon, NH 
 
Hollis, NH 
10:56 PM  16°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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