Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
How much longer will the record heat last in the Southwest? See the forecast. Chevron right

Portsmouth, NH

31°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Portsmouth

New Hampshire

31°
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

Today's Weather

Tue, Mar 24

Not as cold with partial sunshine Hi: 43°

Tonight: Partly cloudy Lo: 31°

Current Weather

6:13 AM

31°F
RealFeel® 34°
Partly cloudy More Details
Wind NNW 1 mph
Wind Gusts 5 mph
Air Quality Fair

Looking Ahead

Mixed rain and snow tomorrow night

WinterCast®

Started
Mon Afternoon - Tue Morning

Snow

Ending in 1 hour

Portsmouth Weather Radar

Portsmouth Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

7 AM 31°
rain drop 59%
8 AM 30°
rain drop 1%
9 AM 32°
rain drop 0%
10 AM 35°
rain drop 0%
11 AM 38°
rain drop 0%
12 PM 40°
rain drop 0%
1 PM 41°
rain drop 0%
2 PM 42°
rain drop 0%
3 PM 42°
rain drop 0%
4 PM 43°
rain drop 0%
5 PM 42°
rain drop 0%
6 PM 41°
rain drop 0%

10-Day Weather Forecast

Today

3/24

43° 31°

Partly sunny and not as cold

Night: Partly cloudy
1%

Wed

3/25

48° 37°

Some sun, then clouds

A bit of snow and rain
25%

Thu

3/26

59° 47°

Cloudy

Rain and drizzle; breezy late
25%

Fri

3/27

52° 18°

Increasingly windy

Much colder; breezy early
25%

Sat

3/28

34° 27°

Colder; breezy in the p.m.

Partly cloudy
6%

Sun

3/29

44° 28°

Breezy and not as cold

Partly cloudy
7%

Mon

3/30

52° 30°

Partly sunny

Clear
7%

Tue

3/31

42° 24°

Plenty of sunshine

Mainly clear
0%

Wed

4/1

46° 39°

Periods of rain

A little rain early; cloudy
60%

Thu

4/2

52° 37°

A little afternoon rain

Periods of rain
56%

Sun & Moon

12 hrs 20 mins
Rise 6:40 AM
Set 7:00 PM
Waxing Crescent
Rise 9:40 AM
Set 2:21 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Weather News

Second kona storm brings floods, evacuations, renewed damage to Hawaii

15 hours ago

Weather Forecasts

How long will the record heat wave last in the western U.S.?

16 hours ago

Travel

2 killed, dozens injured after Air Canada flight hits fire truck on ru...

23 hours ago

Astronomy

Bright fireball shakes Houston area homes, crashes through roof

16 hours ago

Hurricane

Cyclone Narelle to strengthen, strike Australia 4th time

57 minutes ago

 More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

3 days ago

Climate

Monarch population rises in Mexico, but California numbers drop

3 days ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

3 days ago

Astronomy

Hubble caught a comet breaking apart by accident

3 days ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

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

...

...

...