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February 21st, 2026 :: 8:12 pm EST   

Local Weather Report for
Merrimack
New Hampshire, United States

 Current Merrimack Weather Conditions Updated February 21st at 6:53 pm 
Overcast
Temperature:27°F Dew Point:25°F
Barometer:30.09 inHg Wind:calm
Humidity:92.8% Visibility:0M
 
 Merrimack Weather Forecast Summary  
 
Today
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Tuesday
Feb 24th
Wednesday
Feb 25th
Flurries Cloudy Flurries Cloudy Mix of rain and snow
31°F
32°F
16°F
30°F
22°F
30°F
15°F
36°F
17°F
 
 Merrimack Detailed Weather Forecast  
 
Saturday, February 21st, 2026
Evening Temperature: 18°F
Clear with cloudy periods.
Sunday, February 22nd, 2026
Overnight Temperature: 18°F
Clear with cloudy periods.
Morning Temperature: 31°F
Cloudy.
Afternoon Temperature: 31°F
Cloudy with a slight chance of flurries. Windy at times.
Evening Temperature: 32°F
Cloudy with a chance of flurries or showers. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 28°F
Cloudy with flurries likely. Windy.
Morning Temperature: 23°F
Cloudy with a few flurries. Wind 20 to 30 mph.
Afternoon Temperature: 27°F
Cloudy with flurries likely. Windy.
Evening Temperature: 23°F
Cloudy with a slight chance of flurries. Windy at times.
Tuesday, February 24th, 2026
Overnight Temperature: 21°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 28°F
Cloudy with sunny periods. Windy at times.
Afternoon Temperature: 24°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 16°F
Cloudy.
Wednesday, February 25th, 2026
Overnight Temperature: 19°F
Cloudy with a chance of flurries.
Morning Temperature: 30°F
Cloudy with flurries or showers likely.
Afternoon Temperature: 33°F
Cloudy with flurries or showers likely.
Evening Temperature: 35°F
Cloudy. Windy at times.
Thursday, February 26th, 2026
Overnight Temperature: 31°F
Clear. Windy at times.
Morning Temperature: 36°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 30°F
Sunny. Windy at times.
Evening Temperature: 24°F
Cloudy.
Friday, February 27th, 2026
Overnight Temperature: 29°F
Cloudy with a few flurries.
Morning Temperature: 31°F
Cloudy with flurries. Windy at times.
Afternoon Temperature: 31°F
Cloudy with a few flurries or showers. Windy at times.
Evening Temperature: 23°F
Mostly clear. Windy at times.
Saturday, February 28th, 2026
Overnight Temperature: 15°F
Clear.
Morning Temperature: 34°F
Cloudy.
Afternoon Temperature: 32°F
Cloudy.
Evening Temperature: 29°F
Cloudy.
Sunday, March 1st, 2026
Overnight Temperature: 31°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 37°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 15°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Litchfield, NH 
6:56 PM  28°F
Overcast
 
Manchester, NH 
6:53 PM  27°F
Overcast
 
Londonderry, NH 
6:53 PM  27°F
Overcast
 
Nashua, NH 
6:56 PM  28°F
Overcast
 
Amherst, NH 
 
Hudson, NH 
6:56 PM  28°F
Overcast
 
Milford, NH 
 
Derry, NH 
6:53 PM  27°F
Overcast
 
Mont Vernon, NH 
 
Hollis, NH 
6:56 PM  28°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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