Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Storm rolling into California with torrential rain, feet of snow. Get the latest forecast. Chevron right

Portsmouth, NH

24°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Portsmouth

New Hampshire

24°
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
Portsmouth, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

Little to no accumulation

Tue, 2/17, 9:00 AM - Tue, 2/17, 1:00 PM

Snow

0.05 - 0.15 in

Thu, 2/19, 5:00 AM - Thu, 2/19, 6:00 AM

Ice

3 AM

22°
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
rain drop 0%
Chevron down
Mostly cloudy

WindSSE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity88%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling4800 ft

4 AM

22°
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
rain drop 0%
Chevron down
Cloudy

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity96%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 ft

5 AM

22°
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
rain drop 0%
Chevron down
Cloudy

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity94%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling3100 ft

6 AM

22°
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
rain drop 3%
Chevron down
Cloudy

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity94%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2500 ft

7 AM

23°
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
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™20°

WindS 6 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity91%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2000 ft

8 AM

26°
RealFeel® 22°
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
rain drop 44%
Chevron down
Cloudy

RealFeel Shade™22°

WindS 6 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts7 mph

Humidity86%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2000 ft

9 AM

28°
RealFeel® 23°
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
rain drop 48%
Chevron down
Flurries

RealFeel Shade™23°

WindS 7 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity84%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Snowtrace

Visibility10 mi

Cloud Ceiling2000 ft

10 AM

31°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 44%
Chevron down
Cloudy

RealFeel Shade™26°

WindS 7 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts9 mph

Humidity79%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

11 AM

33°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 44%
Chevron down
Mostly cloudy

RealFeel Shade™28°

WindS 8 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts9 mph

Humidity75%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling1700 ft

12 PM

34°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 48%
Chevron down
Flurries

RealFeel Shade™28°

WindS 8 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity74%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Snowtrace

Visibility10 mi

Cloud Ceiling1400 ft

1 PM

35°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™30°

WindS 8 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity74%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1100 ft

2 PM

36°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™32°

WindS 8 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity74%

Indoor Humidity37% (Dry)

Dew Point29° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling1000 ft

3 PM

37°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™33°

WindS 7 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity74%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling1000 ft

4 PM

38°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™34°

WindSSW 7 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts13 mph

Humidity72%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling1000 ft

5 PM

37°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™32°

WindSSW 7 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts10 mph

Humidity77%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling1000 ft

6 PM

35°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity82%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1000 ft

7 PM

34°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity85%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling1100 ft

8 PM

33°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity86%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling1900 ft

9 PM

33°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity86%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2800 ft

10 PM

33°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity85%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 ft

11 PM

33°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity84%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling12400 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

California bracing for flooding, pass-closing snow and severe storms

12 hours ago

Travel

Italy’s famous 'lovers’ arch' crashes into the sea on Valentine’s Day

14 hours ago

Weather Forecasts

Record warmth to expand across central, eastern US this week

12 hours ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

13 hours ago

Weather Forecasts

Snow, ice, rain and severe weather coming to central, eastern U.S.

10 hours ago

More Stories

Featured Stories

Recreation

Presidents Day marks first Free National Park day in 2026

17 hours ago

Weather News

What's behind South Carolina’s recent earthquakes

14 hours ago

Weather News

Gray wolf tracked in Los Angeles County for first time

5 days ago

Astronomy

A 'ring of fire' eclipse is coming Feb. 17

18 hours ago

Weather News

99% of Florida is in drought with almost no rain falling in February

3 days ago

World North America United States New Hampshire Portsmouth

Weather Near Portsmouth:

  • 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

...

...

...