Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Storms drench millions as flash floods from D.C. to NYC turn deadly; boy drowns in Maryland Chevron right

Merrimack, MA

55°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrimack

Massachusetts

55°
No results found.
Try searching for a city, zip code or point of interest.
settings
Merrimack, MA 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
Monday, September 15

Day

9/15
71°Hi
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly sunny

Max UV Index5 (Moderate)

WindESE 7 mph

Wind Gusts10 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover15%

Night

9/15
54°Lo
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSSE 8 mph

Wind Gusts16 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover50%

Sun & Moon

12 hrs 31 mins
Rise 6:23 AM
Set 6:54 PM
Waning Crescent
Rise --
Set 3:50 PM

Temperature History

9/15
High
Low
Forecast
71°
54°
Average
75°
57°
Last Year
81°
56°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Cool, dry air to replace flood-inducing storms in Northeast

10 hours ago

Severe Weather

Torrential rain, deadly flash flooding slam I-95 corridor

18 hours ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

6 hours ago

Astronomy

3 big astronomy events packed into 1 week in August sky

16 hours ago

Hurricane

Hawaii faces wildfire risk amid drought, winds

2 hours ago

 More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

12 hours ago
Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

12 hours ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

1 day ago

Severe Weather

How to tell how far away lightning is by counting

1 day ago

Travel

Flights at UK airports hit by major technical issue

1 day ago
World North America United States Massachusetts 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
© 2025 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

...

...

...