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

Portsmouth, Portsmouth

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Portsmouth

Portsmouth

71°
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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

3 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

WindE 9 mph

Air QualityFair

Wind Gusts18 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling33500 ft

4 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Clear
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

WindE 10 mph

Air QualityFair

Wind Gusts20 mph

Humidity90%

Indoor Humidity87% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™64°

WindE 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts20 mph

Humidity95%

Indoor Humidity87% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™66°

WindE 10 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts20 mph

Humidity94%

Indoor Humidity89% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

68°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™67°

WindESE 10 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts18 mph

Humidity89%

Indoor Humidity89% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™69°

WindESE 10 mph

Air QualityPoor

Max UV Index2.3 (Low)

Wind Gusts18 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™71°

WindESE 9 mph

Air QualityPoor

Max UV Index3.3 (Moderate)

Wind Gusts18 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

74°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™72°

WindSE 9 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts20 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™74°

WindSE 8 mph

Air QualityPoor

Max UV Index6.0 (High)

Wind Gusts17 mph

Humidity72%

Indoor Humidity72% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

76°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™75°

WindSE 8 mph

Air QualityPoor

Max UV Index7.6 (Very High)

Wind Gusts16 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

76°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™76°

WindSE 7 mph

Air QualityPoor

Max UV Index8.2 (Very High)

Wind Gusts15 mph

Humidity68%

Indoor Humidity68% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

77°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™77°

WindSE 7 mph

Air QualityPoor

Max UV Index7.6 (Very High)

Wind Gusts15 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

78°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™78°

WindSE 6 mph

Air QualityPoor

Max UV Index6.0 (High)

Wind Gusts14 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

79°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™79°

Heat Index80°

WindSE 6 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts13 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™80°

Heat Index82°

WindSE 6 mph

Air QualityPoor

Max UV Index3.3 (Moderate)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™81°

Heat Index83°

WindSE 5 mph

Air QualityPoor

Max UV Index2.3 (Low)

Wind Gusts10 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™80°

Heat Index80°

WindSE 4 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts9 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point65° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™80°

WindESE 4 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

RealFeel Shade™75°

WindESE 4 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

WindE 4 mph

Air QualityPoor

Wind Gusts7 mph

Humidity72%

Indoor Humidity72% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

71°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Amber Warning for Extreme Heat

1:00 AM Monday - 12:00 AM Wednesday

WindNE 4 mph

Air QualityPoor

Wind Gusts6 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Portsmouth

AccuWeather's hourly forecast for Portsmouth provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 66°, mostly clear with a 1% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Severe Weather

Storms, flood threat persist across central US

6 hours ago

Weather Forecasts

Pattern change to bring cooler air, rain to Pacific Northwest

8 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Storms delay entry for France vs. Iraq match in Philadelphia

6 hours ago

Weather News

Utah wildfires force evacuations as crews work in hot, windy weather

9 hours ago

Multiple tornadoes filmed during severe weather outbreak

17 hours ago 0:45
More Stories

Featured Stories

Weather News

Deadly heat grips France, western Europe faces extreme heat wave

7 hours ago

Astronomy

Webb telescope captures ‘sparkling’ stars being born in new image

7 hours ago

Recreation

Black bear injures teen on Washington trail

4 days ago

Astronomy

Meteorological summer vs. astronomical summer explained

4 days ago

Health

Pickle is the pumpkin spice of summer

1 week 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

...

...

...