Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
High risk for severe weather in the central, eastern US. Get the forecast details. Chevron right
March megastorm: Blizzard, dangerous winds. Get the forecast. Chevron right

Merrimack, NH

38°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

38°
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

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

1 PM

40°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 53%
Chevron down
Flurries

RealFeel Shade™34°

WindSE 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts9 mph

Humidity32%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Snowtrace

Visibility10 mi

Cloud Ceiling11600 ft

2 PM

41°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™35°

WindSE 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts10 mph

Humidity32%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling10100 ft

3 PM

42°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™36°

WindSE 8 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts10 mph

Humidity31%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10000 ft

4 PM

41°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™36°

WindSE 9 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts13 mph

Humidity34%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10000 ft

5 PM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™35°

WindSE 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity37%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10000 ft

6 PM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™35°

WindSE 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts13 mph

Humidity40%

Indoor Humidity29% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12800 ft

7 PM

38°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 16%
Chevron down
Cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity49%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling15700 ft

8 PM

36°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSE 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity58%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

9 PM

35°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSE 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity64%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

10 PM

34°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSE 4 mph

Air QualityFair

Wind Gusts7 mph

Humidity68%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

11 PM

33°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity73%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Strengthening March Megastorm to unleash powerful winds, blizzard

38 minutes ago

Severe Weather

High risk for severe weather to erupt in the central, eastern US

3 hours ago

Climate

What to know about the potential for a super El Niño later this year

3 days ago

Weather Forecasts

Summerlike heat dome to send Southwest temperatures soaring past 100 F

3 hours ago

Severe Weather

Grapefruit-sized hailstone may set state record

3 days ago

 More Stories

Featured Stories

Weather News

Lightning strikes gas meter, sparking fire next to burn ban sign

2 days ago

Winter Weather

Nine states had their warmest winter ever recorded

4 days ago

Weather News

'Doomsday fish' rescued after washing ashore in Mexico

2 days ago

Recreation

'Quicksand alert' issued at National Park Service site

3 days ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

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

...

...

...