Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Dangerous heat wave to expand east early this week, affecting 170 million people. Details here Chevron right

South Merrimack, NH

91°F
Location Chevron down
Location News Videos
Use Current Location
Recent

South Merrimack

New Hampshire

91°
No results found.
Try searching for a city, zip code or point of interest.
settings
South 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 22

Current Weather

3:40 PM

91°F
Mostly cloudy
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
93°
RealFeel Shade™
91°
Max UV Index
2 Low
Wind
WNW 10 mph
Wind Gusts
20 mph
Humidity
51%
Indoor Humidity
51% (Very Humid)
Dew Point
71° F
Pressure
↔ 29.88 in
Cloud Cover
76%
Visibility
10 mi
Cloud Ceiling
4900 ft

Day

6/22
91°Hi
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Very warm and humid with the temperature approaching the record of 94 set in 2012 with intervals of clouds and sunshine
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Sunday

Max UV Index10 (Very High)

AccuLumen Brightness Index™5 (Medium)

WindW 8 mph

Wind Gusts27 mph

Probability of Precipitation65%

Probability of Thunderstorms39%

Precipitation0.02 in

Rain0.02 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover63%

Morning

Afternoon

Night

6/22
67°Lo
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy and humid
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Sunday

WindNW 5 mph

Wind Gusts17 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover26%

Evening

Overnight

Sun & Moon

15 hrs 20 mins
Rise 5:08 AM
Set 8:28 PM
Waning Crescent
Rise 2:15 AM
Set 5:50 PM

Temperature History

6/22
High
Low
Forecast
91°
67°
Average
80°
58°
Last Year
68°
61°
Record
94°
2012
42°
1969

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Dangerous heat wave to envelop 170 million Americans through late June

59 minutes ago

Severe Weather

Storms sweep Northeast, teen struck by lightning in Central Park

2 days ago

Severe Weather

Severe storms to continue riding edge of heat dome into new week

48 minutes ago

Astronomy

Meteorological summer vs. astronomical summer explained

6 days ago

Astronomy

NASA raises chance for asteroid to hit moon

2 days ago

More Stories

Featured Stories

Astronomy

Summer solstice: Everything to know about the year's longest day

2 days ago

Health

‘Nimbus’ COVID-19 variant arrives in U.S. after China surge

2 days ago

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

3 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

4 days ago

Weather News

‘Dragon Man’ DNA revelation puts a face to group of ancient humans

2 days ago

World North America United States New Hampshire South Merrimack

Weather Near South 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

...

...

...