Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
After a soggy & chilly weekend, drier & warmer conditions will return to the Northeast later Monday. Details. Chevron right

Merrimack, NH

52°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

New Hampshire

52°
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 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, May 25

Day

5/25
74°Hi
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Warmer; periods of rain in the morning, then times of clouds and sun in the afternoon

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™3 (Dull)

WindNW 7 mph

Wind Gusts16 mph

Probability of Precipitation86%

Probability of Thunderstorms4%

Precipitation0.29 in

Rain0.29 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover84%

Morning

Afternoon

Night

5/25
51°Lo
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Partly cloudy

WindWNW 5 mph

Wind Gusts7 mph

Probability of Precipitation6%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover39%

Evening

Overnight

Sun & Moon

14 hrs 58 mins
Rise 5:14 AM
Set 8:12 PM
Waxing Gibbous
Rise 2:49 PM
Set 2:34 AM

Temperature History

5/25
High
Low
Forecast
74°
51°
Average
72°
49°
Last Year
60°
47°
Record
93°
2010
24°
1956

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Drenching, gusty storms will put damper on plans in Southeast, Plains

5 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

2 days ago

Weather Forecasts

After chilly, soggy holiday weekend, Northeast to turn warmer & drier

9 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

7 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

2 days ago

 More Stories

Featured Stories

Astronomy

SpaceX unleashes upgraded Starship rocket in 12th test flight

1 day ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

2 days ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

3 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

4 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

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

...

...

...