Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe storms on repeat for Plains to mid-Atlantic this week. See the timing. Chevron right
A new heat dome is set to expand across the central and eastern US. Click for the forecast. Chevron right

Portsmouth, NH

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Portsmouth

New Hampshire

76°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

July 8 - July 22

Wed 7/8

76° /63°
0%
Mostly sunny and pleasant

RealFeel®88°

RealFeel Shade™77°

Max UV Index10.0 (Very High)

WindESE 6 mph

Thu 7/9

90° /70°
25%
Times of clouds and sun

RealFeel®96°

RealFeel Shade™90°

Max UV Index9.0 (Very High)

WindSW 8 mph

Fri 7/10

86° /67°
88%
Some sun, then turning cloudy with a couple of showers and a thunderstorm; very warm and humid

RealFeel®96°

RealFeel Shade™89°

Max UV Index6.0 (High)

WindSSE 7 mph

Hours of Precipitation4

Hours of Rain4

Sat 7/11

82° /61°
25%
Partly sunny and less humid

RealFeel®91°

RealFeel Shade™79°

Max UV Index10.0 (Very High)

WindESE 6 mph

Sun 7/12

80° /61°
6%
Mostly sunny

RealFeel®88°

RealFeel Shade™78°

Max UV Index10.0 (Very High)

WindESE 7 mph

Mon 7/13

86° /64°
10%
Partly sunny

RealFeel®93°

RealFeel Shade™84°

Max UV Index10.0 (Very High)

WindSSW 9 mph

Tue 7/14

90° /70°
15%
Partly sunny and hot

RealFeel®93°

RealFeel Shade™88°

Max UV Index10.0 (Very High)

WindSSW 9 mph

Wed 7/15

85° /65°
0%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index10.0 (Very High)

WindW 12 mph

Thu 7/16

86° /61°
1%
Mostly sunny and less humid

RealFeel®86°

RealFeel Shade™82°

Max UV Index10.0 (Very High)

WindWNW 12 mph

Fri 7/17

81° /61°
40%
A shower in spots in the morning; otherwise, sun and some clouds

RealFeel®90°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindWNW 5 mph

Hours of Precipitation0.5

Hours of Rain0.5

Sat 7/18

80° /62°
69%
Periods of rain in the morning; otherwise, rather cloudy

RealFeel®88°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindNE 2 mph

Hours of Precipitation2

Hours of Rain2

Sun 7/19

78° /61°
0%
Plenty of sunshine

RealFeel®87°

RealFeel Shade™76°

Max UV Index9.0 (Very High)

WindS 5 mph

Mon 7/20

79° /62°
65%
Periods of rain and a thunderstorm

RealFeel®78°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindSSW 10 mph

Hours of Precipitation3.5

Hours of Rain3.5

Tue 7/21

80° /60°
20%
Mostly sunny and humid

RealFeel®87°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindNNE 7 mph

Wed 7/22

77° /57°
10%
Mostly sunny

RealFeel®85°

RealFeel Shade™75°

Max UV Index9.0 (Very High)

WindW 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Next heat dome to bring 100 F heat to Midwest; perhaps East again

1 hour ago

Severe Weather

Tireless severe storms to repeat from Plains to mid-Atlantic

1 hour ago

Hurricane

Atlantic hurricane season off to a slow start as El Niño strengthens

2 hours ago

Weather Forecasts

Downpours may rapidly elevate flash flood risk centered on Kentucky

2 hours ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Quarterfinals to commence with heat on Thursday

1 day ago

More Stories

Featured Stories

Super Typhoon Bavi leaves trail of destruction

7 hours ago 0:36

Recreation

Neil the Seal returns to Tasmania

1 hour ago

Weather News

At least 750 structures destroyed by Colorado wildfire, images show

1 hour ago

Weather News

Toll from Venezuela earthquakes rises to 3,342, more than 16K injured

1 day 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

...

...

...