Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Millions face Arctic chill through end of January. Get the forecast details. Chevron right

Merrimack, NH

17°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

17°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
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
Friday, January 16

Current Weather

9:04 AM

17°F
Mostly sunny
RealFeel® 11°
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 Shade™ 10°
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®
11°
RealFeel Shade™
10°
Max UV Index
0.5 (Low)
Wind
WNW 7 mph
Wind Gusts
17 mph
Humidity
51%
Indoor Humidity
17% (Extremely Dry)
Dew Point
1° F
Pressure
↑ 29.61 in
Cloud Cover
11%
Visibility
6 mi
Cloud Ceiling
40000 ft

Day

1/16
31°Hi
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
RealFeel Shade™ 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
Breezy and colder with intervals of clouds and sunshine

Max UV Index2.0 (Low)

AccuLumen Brightness Index™8 (Bright)

WindW 14 mph

Wind Gusts33 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover38%

Morning

Afternoon

Night

1/16
23°Lo
RealFeel® 21°
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
Turning cloudy with a bit of snow toward dawn with little or no accumulation

WindSSW 5 mph

Wind Gusts9 mph

Probability of Precipitation65%

Probability of Thunderstorms0%

Precipitation0.01 in

Snow0.20 in

Hours of Precipitation2

Cloud Cover79%

Evening

Overnight

Sun & Moon

9 hrs 24 mins
Rise 7:14 AM
Set 4:38 PM
Waning Crescent
Rise 6:01 AM
Set 2:18 PM

Temperature History

1/16
High
Low
Forecast
31°
23°
Average
34°
13°
Last Year
30°
3°
Record
62°
1995
-15°
2009

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Rounds of snow to create hazardous travel from Midwest to Northeast

4 hours ago

Winter Weather

Florida’s cold snap can cause iguanas to fall, here's why

22 hours ago

Astronomy

Crew-11 astronauts splash down off California after medical evacuation

1 day ago

Winter Weather

Polar vortex to usher in much colder air to central and eastern US

3 hours ago

Winter Weather

Weekend storm to bring snow to part of U.S. East Coast

3 hours ago

 More Stories

Featured Stories

Astronomy

NASA to roll out Artemis II rocket ahead of astronaut moon launch

1 day ago

Recreation

Death of 2 Florida students highlights risks of sand collapse

19 hours ago

Astronomy

March’s total lunar eclipse will turn the moon red, here’s when to see...

1 day ago

How to shoot the northern lights on your phone

1 day ago 1:34

Winter Weather

Avalanches in Washington, Wyoming turn deadly

1 day 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
© 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

...

...

...