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

Portsmouth, Ontario

64°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Portsmouth

Ontario

64°
No results found.
Try searching for a city, zip code or point of interest.
settings
Portsmouth, Ontario 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

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

8 PM

61°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 15 mph

Air QualityFair

Wind Gusts27 mph

Humidity39%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33300 ft

9 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 15 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity49%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

56°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 15 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity56%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

55°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 16 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity59%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Coastal flooding, rough surf to be Hurricane Imelda's main US threats

59 minutes ago

Hurricane

5 more homes collapse into the ocean on North Carolina's Outer Banks

48 minutes ago

Weather Forecasts

Expansive dry air to intensify drought across central, eastern US

4 hours ago

Hurricane

Humberto to storm the U.K. after brushing Bermuda this week

6 hours ago

Astronomy

Super Harvest Moon, 2 meteor showers to light up October nights

1 day ago

 More Stories

Featured Stories

Travel

6 scenic fall drives where you can get your foliage fix this year

2 days ago

Weather News

Namibia sends in army to fight devastating wildfire in Etosha game res...

1 day ago

Hurricane

A year after Hurricane Helene, Florida, Appalachians still bear scars

5 days ago

Severe Weather

Parents of girls killed in Texas camp flooding say ‘commonsense’ measu...

5 days ago

Severe Weather

Strong lightning strike destroys New Zealand radar

5 days ago
World North America Canada Ontario Portsmouth

Weather Near Portsmouth:

  • Gatineau, Quebec
  • Ottawa, Ontario
  • Syracuse, NY
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...