Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
How much longer will the record heat last in the Southwest? See the forecast. Chevron right

Merrimack, NH

36°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

36°
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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

Snow

Mon, 3/23, 5:00 PM - Tue, 3/24, 12:00 AM

Snow

6 PM

36°
RealFeel® 22°
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
rain drop 48%
Chevron down
Flurries

RealFeel Shade™22°

WindNNE 14 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts24 mph

Humidity77%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Snow0.06 in

Visibility10 mi

Cloud Ceiling2300 ft

7 PM

35°
RealFeel® 24°
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
rain drop 48%
Chevron down
Cloudy

RealFeel Shade™24°

WindNNE 12 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity78%

Indoor Humidity37% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2500 ft

8 PM

35°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 81%
Chevron down
Flurries

WindN 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity80%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.13 in

Visibility5 mi

Cloud Ceiling2800 ft

9 PM

35°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 79%
Chevron down
Flurries

WindNNW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.11 in

Visibility5 mi

Cloud Ceiling3100 ft

10 PM

35°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 80%
Chevron down
Flurries

WindNNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.13 in

Visibility5 mi

Cloud Ceiling3400 ft

11 PM

34°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 68%
Chevron down
Flurries

WindNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity81%

Indoor Humidity37% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.13 in

Visibility5 mi

Cloud Ceiling3700 ft

Further Ahead

Tomorrow

Wednesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Second kona storm brings floods, evacuations, renewed damage to Hawaii

2 hours ago

Weather Forecasts

How long will the record heat wave last in the western U.S.?

3 hours ago

Travel

2 killed, dozens injured after Air Canada flight hits fire truck on ru...

10 hours ago

Astronomy

Bright fireball shakes Houston area homes, crashes through roof

3 hours ago

Hurricane

Cyclone Narelle to strengthen, strike Australia 4th time

6 hours ago

 More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

3 days ago

Climate

Monarch population rises in Mexico, but California numbers drop

3 days ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

3 days ago

Astronomy

Hubble caught a comet breaking apart by accident

3 days ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

3 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

...

...

...