Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Blizzard unloads 37+ inches of snow, causes 9,000+ flight cancellations. See the details. Chevron right

Merrimack, NH

12°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

12°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
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
Wednesday, February 25

Current Weather

1:35 AM

12°F
Clear
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel®
17°
Wind
WSW 1 mph
Wind Gusts
2 mph
Humidity
76%
Indoor Humidity
20% (Very Dry)
Dew Point
6° F
Pressure
↔ 29.90 in
Cloud Cover
0%
Visibility
7 mi
Cloud Ceiling
40000 ft

Day

2/25
39°Hi
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel Shade™ 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Cloudy; morning snow, 1-2" followed by a bit of snow and rain at times this afternoon; storm total 1-3"; roads could be slippery for the morning commute

Max UV Index1.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindS 7 mph

Wind Gusts10 mph

Probability of Precipitation91%

Probability of Thunderstorms0%

Precipitation0.12 in

Rain0.04 in

Snow1.45 in

Hours of Precipitation5

Hours of Rain0.5

Cloud Cover98%

Morning

Afternoon

Night

2/25
26°Lo
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
An evening snow shower around; otherwise, partly cloudy

WindWSW 7 mph

Wind Gusts13 mph

Probability of Precipitation41%

Probability of Thunderstorms0%

Precipitation0.00 in

Snow0.05 in

Hours of Precipitation1

Cloud Cover55%

Evening

Overnight

Sun & Moon

11 hrs 01 mins
Rise 6:29 AM
Set 5:30 PM
Waxing Gibbous
Rise 10:48 AM
Set 3:29 AM

Temperature History

2/25
High
Low
Forecast
39°
26°
Average
40°
17°
Last Year
51°
36°
Record
69°
2017
-7°
1959

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Blizzard of 2026 wallops Northeast: Over 37 inches in Providence

10 hours ago

Winter Weather

More winter storms lining up for Northeast, Midwest into March

8 hours ago

Astronomy

March’s total lunar eclipse will turn the moon red, here’s how to watc...

13 hours ago

Winter Weather

Blizzard blasts New England with 80+ mph winds, feet of snow

6 hours ago

Winter Weather

Western avalanche deaths rise to 16 in 2026 after Idaho, Utah slides

14 hours ago

 More Stories

Featured Stories

Weather News

Firefighters rescue surfer stranded at base of cliff

14 hours ago

Travel

Delta flight returns to airport after engine trouble sparks grass fire

1 day ago

Astronomy

6 planets, moon will align on Saturday evening

14 hours ago

Climate

75% of global coffee supply faces rising extreme heat, analysis says

5 days ago

Winter Weather

6 close friends on ski trip identified among those killed in avalanche

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 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 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
© 2026 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

...

...

...