Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Holiday travelers face weather-related delays this week. Get the forecast: Chevron right
Warmest Christmas on record likely for millions. Click for the forecast. Chevron right

Merrimack, NH

30°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

30°
No results found.
Try searching for a city, zip code or point of interest.
settings
Merrimack, NH Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Tue, Dec 23

Cloudy with 1-3 inches of snow this afternoon; untreated surfaces will be slippery Hi: 33°

Tonight: Intermittent snow and flurries, accumulating a coating to an inch; storm total 1-3"; snow can cause poor visibility and slippery spots, leading to slow travel Lo: 31°

Current Weather

10:55 AM

30°F
RealFeel® 36°
Cloudy More Details
RealFeel Shade™ 35°
Wind SSW 1 mph
Wind Gusts 4 mph
Air Quality Fair

WinterCast®

Tue Afternoon - Late Tue Night

Snow

Lasting 16 hours

Merrimack Weather Radar

Merrimack Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

11 AM 31°
rain drop 7%
12 PM 32°
rain drop 11%
1 PM 33°
rain drop 77%
2 PM 32°
rain drop 77%
3 PM 32°
rain drop 78%
4 PM 32°
rain drop 81%
5 PM 32°
rain drop 82%
6 PM 32°
rain drop 82%
7 PM 32°
rain drop 54%
8 PM 32°
rain drop 59%
9 PM 32°
rain drop 49%
10 PM 32°
rain drop 45%

10-Day Weather Forecast

Today

12/23

33° 31°

Cloudy, afternoon snow, 1-3"

Night: Snow and flurries at times

83%

Wed

12/24

39° 22°

An a.m. flurry, then a shower

Increasing cloudiness

55%

Thu

12/25

38° 10°

Clouds breaking for some sun

Breezy early; clear, colder

16%

Fri

12/26

19° 14°

Mostly cloudy and frigid

Cloudy, snow, mainly early

0%

Sat

12/27

25° 16°

Cold; a little morning snow

Partly cloudy

61%

Sun

12/28

35° 24°

Rain and sleet in the p.m.

Rain becoming intermittent

73%

Mon

12/29

28° 16°

Mostly sunny and colder

Partly cloudy

15%

Tue

12/30

25° 12°

Cold with clouds and sun

Clear

8%

Wed

12/31

27° 18°

Partly sunny

Cloudy

2%

Thu

1/1

33° 19°

An icy mix in the morning

Mainly clear

84%

Sun & Moon

9 hrs 02 mins
Rise 7:14 AM
Set 4:16 PM
Waxing Crescent
Rise 9:55 AM
Set 7:46 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Very High Data is not supported in this location

Top Stories

Weather Forecasts

Warmest Christmas on record likely in part of US

5 hours ago

Severe Weather

2nd atmospheric river to flood California with firehose of rain

5 hours ago

Weather News

Dense fog hampers search after deadly plane crash into Galveston Bay

46 minutes ago

Winter Weather

Wintry storms coming to Northeast through Christmas week

2 hours ago

Travel

Christmas travelers may be slowed in 2 parts of US

5 hours ago

More Stories

Featured Stories

Weather News

NPS seeking tips to help find missing 26-year-old woman

19 hours ago

Weather News

Massive sinkhole in England swallows canal boats, sparking rescue

1 day ago

Astronomy

These are the top 3 astronomy stories of 2025

21 hours ago

Weather News

Largest wildlife overpass in North America opens across 6-lane highway

22 hours ago

Weather News


Los Angeles wildfires linked to spike in heart, lung emergencies

4 days ago

World North America United States New Hampshire Merrimack

Weather Near Merrimack:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...