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

Cornwall, Ontario

34°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

34°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Cornwall, 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 WinterCast

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

A coating to an inch

Sat, 1/10, 7:00 PM - Sun, 1/11, 6:00 AM

Snow

0.15 - 0.25 in

Sat, 1/10, 9:00 PM - Sun, 1/11, 12:00 AM

Ice

6 AM

30°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity82%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling21500 ft

7 AM

26°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindW 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity89%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling20000 ft

8 AM

24°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™26°

WindWNW 4 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts4 mph

Humidity87%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling23300 ft

9 AM

25°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™28°

WindNNW 2 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts5 mph

Humidity82%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

27°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™30°

WindNNE 4 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts5 mph

Humidity77%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

28°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™27°

WindNE 6 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts7 mph

Humidity73%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

30°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™23°

WindNE 8 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts9 mph

Humidity69%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

31°
RealFeel® 22°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™22°

WindNE 10 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts14 mph

Humidity67%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

32°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™23°

WindNE 12 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts17 mph

Humidity64%

Indoor Humidity32% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

30°
RealFeel® 18°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™18°

WindNE 13 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity71%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling22100 ft

4 PM

28°
RealFeel® 14°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™14°

WindENE 14 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts18 mph

Humidity77%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18100 ft

5 PM

27°
RealFeel® 12°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindENE 15 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity80%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14500 ft

6 PM

27°
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindENE 16 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity82%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10900 ft

7 PM

26°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 57%
Chevron down
Flurries

WindENE 17 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity87%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Snow0.10 in

Visibility5 mi

Cloud Ceiling7000 ft

8 PM

27°
RealFeel® 8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 57%
Chevron down
Flurries

WindENE 17 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity86%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Snow0.09 in

Visibility5 mi

Cloud Ceiling2000 ft

9 PM

27°
RealFeel® 6°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 66%
Chevron down
Sleet

WindENE 18 mph

Air QualityExcellent

Wind Gusts22 mph

Humidity87%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Snow0.10 in

Ice0.11 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

28°
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindENE 17 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity88%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1200 ft

11 PM

29°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 55%
Chevron down
Sleet

WindENE 15 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity88%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Ice0.11 in

Visibility4 mi

Cloud Ceiling1300 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Two coastal storms could deliver snow to parts of Northeast next week

14 hours ago

Astronomy

NASA to bring Crew-11 astronauts home early after medical issue aboard...

15 hours ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

40 minutes ago

Winter Weather

Storm Goretti sweeps United Kingdom, France with winds over 120 mph

16 hours ago

Severe Weather

Stormy weekend ahead in eastern US: Flooding, thunder and even snow

11 minutes ago

 More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

1 day ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

1 day ago
Live Blog

Waves in the sky? Rare clouds dazzle in California

LATEST ENTRY

Kelvin-Helmholtz wave clouds appear in California

15 hours ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

2 days ago

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

3 days ago
World North America Canada Ontario Cornwall

Weather Near Cornwall:

  • Laval, Quebec
  • Montreal, Quebec
  • Ottawa, Ontario
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
© 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

...

...

...