Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Portsmouth, Portsmouth

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

Portsmouth

Portsmouth

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, Portsmouth 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

Today Hourly

10-Day

Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

August 12 - August 26

Wed 8/12

89° /66°
0%
Clear and warm

RealFeel®63°

Cloud Cover0%

WindENE 7 mph

Wind Gusts13 mph

Thu 8/13

86° /64°
0%
Very warm with plenty of sunshine

RealFeel®87°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindSSE 9 mph

Fri 8/14

83° /63°
4%
Mostly sunny and very warm; breezy in the afternoon

RealFeel®86°

RealFeel Shade™80°

Max UV Index6.0 (High)

WindWSW 12 mph

Sat 8/15

80° /60°
25%
Mostly cloudy, warm and less humid

RealFeel®80°

RealFeel Shade™77°

Max UV Index2.0 (Low)

WindNNW 10 mph

Sun 8/16

76° /59°
4%
Pleasantly warm with sunshine and a few clouds

RealFeel®81°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNE 8 mph

Mon 8/17

72° /62°
62%
Cloudy with a brief shower or two in the afternoon

RealFeel®70°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindS 8 mph

Total Hours of Precipitation1

Total Hours of Rain1

Tue 8/18

76° /61°
55%
Rather cloudy, breezy and warm with a shower in spots

RealFeel®77°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindWSW 13 mph

Total Hours of Precipitation1

Total Hours of Rain1

Wed 8/19

74° /58°
56%
Some sun, then increasing clouds; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®73°

RealFeel Shade™70°

Max UV Index5.0 (Moderate)

WindWNW 14 mph

Total Hours of Precipitation2

Total Hours of Rain2

Thu 8/20

72° /57°
55%
Sunshine interrupted by clouds at times with a couple of showers

RealFeel®73°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindWSW 6 mph

Total Hours of Precipitation2.5

Total Hours of Rain2.5

Fri 8/21

72° /57°
6%
Mostly sunny

RealFeel®75°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindNW 8 mph

Sat 8/22

73° /57°
55%
Partly sunny with a couple of showers

RealFeel®71°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindWNW 15 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Sun 8/23

73° /56°
55%
Mostly cloudy with a little rain in the afternoon

RealFeel®73°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindNW 9 mph

Total Hours of Precipitation1

Total Hours of Rain1

Mon 8/24

72° /58°
2%
Partly sunny

RealFeel®72°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindNNW 10 mph

Tue 8/25

70° /54°
57%
A passing morning shower; otherwise, partly sunny

RealFeel®71°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindSW 8 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Wed 8/26

67° /53°
25%
Increasing clouds

RealFeel®65°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindNNE 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Hurricane

Tropical Storm Cristobal forms in Atlantic, another may follow soon

3 hours ago

Astronomy

How to watch the Aug. 12, 2026, total solar eclipse

1 hour ago

Severe Weather

Derecho unleashes 90+ mph winds, spawns tornadoes in Midwest

5 hours ago

Severe Weather

Severe storms, flash flooding to threaten Plains, Midwest and East

2 hours ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

8 hours ago

More Stories

Featured Stories

Climate

July’s record heat is the latest sign of a hotter US climate

1 hour ago

Recreation

Bald eagle Jackie dies after more than 3 weeks of intensive care

1 day ago

Recreation

Shark pulls lifeguard underwater at Maine state park

1 day ago

Weather News

From car crashes to compost: 5 surprising ways wildfires can start

1 day ago

Climate

How extreme heat could affect your grocery bill

1 day ago

World Europe United Kingdom Portsmouth Portsmouth

Weather Near Portsmouth:

  • Bournemouth, Bournemouth
  • Southampton, Southampton
  • Worthing, West Sussex
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
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
© 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

...

...

...