For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Resurgence of severe weather to jolt the central US this week. See the forecast.

Merrimack, NH

67°F

Location

Location News Videos

Use Current Location

Recent

Merrimack

New Hampshire

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.

Have an account already? Log In

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

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

4 PM

63°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

42%

Mostly cloudy w/ showers

RealFeel Shade™60°

WindSSW 9 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts13 mph

Humidity30%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling14000 ft

5 PM

61°

RealFeel® 60°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

22%

Partly sunny

RealFeel Shade™58°

WindSSW 9 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts13 mph

Humidity37%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

59°

RealFeel® 56°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

17%

Partly sunny

RealFeel Shade™56°

WindSSW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity42%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

56°

RealFeel® 53°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

11%

Partly cloudy

WindSSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity49%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

52°

RealFeel® 49°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Clear

WindSSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity58%

Indoor Humidity32% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

49°

RealFeel® 46°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity64%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

47°

RealFeel® 44°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity70%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

47°

RealFeel® 44°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity72%

Indoor Humidity34% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Wednesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Central US to face renewed threat for severe storms, tornadoes

20 minutes ago

Severe Weather

Michigan's deadly EF3 tornado among state's earliest on record

57 minutes ago

Weather News

Louisiana rocked by 4 earthquakes days after strongest quake in decade...

2 hours ago

Weather Forecasts

Fresh surge of storms to renew flood threat in Central US this week

1 hour ago

Winter Weather

When does winter cold really end in your city?

2 days ago

Featured Stories

Recreation

25-year-old becomes 1st American woman to row solo across Atlantic

3 days ago

Recreation

When will DC cherry blossoms reach peak bloom? 2026 forecast released

4 days ago

Recreation

Death Valley’s best superbloom since 2016 is here

5 days ago

Weather News

Louisiana rocked by 4 earthquakes days after strongest quake in decade...

2 hours ago

Recreation

Yellowstone geyser erupts for 1st time since 2020

6 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

...

...

...