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December 28th, 2025 :: 1:25 pm EST   

Local Weather Report for
Merrimack
New Hampshire, United States

 Current Merrimack Weather Conditions Updated December 28th at 11:53 am 
Overcast
Temperature:30°F Dew Point:7°F
Barometer:30.06 inHg Wind:calm
Humidity:35.1% Visibility:0M
 
 Merrimack Weather Forecast Summary  
 
Today
Dec 28th
Monday
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Thursday
Jan 1st
Mix of rain and snow Mix of rain and snow Cloudy Cloudy Cloudy
35°F
41°F
26°F
24°F
19°F
32°F
23°F
26°F
18°F
 
 Merrimack Detailed Weather Forecast  
 
Sunday, December 28th, 2025
Afternoon Temperature: 27°F
Cloudy.
Evening Temperature: 30°F
Cloudy with flurries or showers likely.
Monday, December 29th, 2025
Overnight Temperature: 35°F
Cloudy with periods of rain. Rain possibly mixed with wet snow at times.
Morning Temperature: 35°F
Cloudy with showers. Showers possibly mixed with wet flurries.
Afternoon Temperature: 39°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Evening Temperature: 28°F
Clear. Windy at times.
Tuesday, December 30th, 2025
Overnight Temperature: 22°F
Cloudy. Windy.
Morning Temperature: 22°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 19°F
Cloudy. Windy at times.
Evening Temperature: 20°F
Clear with cloudy periods. Windy at times.
Wednesday, December 31st, 2025
Overnight Temperature: 25°F
Cloudy. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
Cloudy. Windy at times.
Evening Temperature: 26°F
Cloudy. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: 19°F
Clear.
Morning Temperature: 24°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy.
Evening Temperature: 19°F
Cloudy.
Friday, January 2nd, 2026
Overnight Temperature: 18°F
A mix of cloudy and clear skies.
Morning Temperature: 25°F
Cloudy.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 19°F
Cloudy.
Saturday, January 3rd, 2026
Overnight Temperature: 17°F
Clear.
Morning Temperature: 24°F
Sunny with cloudy periods.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 20°F
Clear.
Sunday, January 4th, 2026
Overnight Temperature: 15°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 13°F
Sunny. Windy at times.
Afternoon Temperature: 10°F
Sunny. Windy at times.
Evening Temperature: 6°F
Clear.
Monday, January 5th, 2026
Overnight Temperature: 5°F
Clear.
Morning Temperature: 14°F
Cloudy.
Afternoon Temperature: 18°F
Cloudy.
Evening Temperature: 20°F
Cloudy.





 

  [ Local Weather Report ]
Litchfield, NH 
11:56 AM  30°F
 
 
Manchester, NH 
11:53 AM  30°F
Overcast
 
Londonderry, NH 
11:53 AM  30°F
Overcast
 
Nashua, NH 
11:56 AM  30°F
 
 
Amherst, NH 
 
Hudson, NH 
11:56 AM  30°F
 
 
Milford, NH 
 
Derry, NH 
11:53 AM  30°F
Overcast
 
Mont Vernon, NH 
 
Hollis, NH 
11:56 AM  30°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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