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

Cornwall, Ontario

15°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

15°
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

Today's Weather

Sat, Jan 17

Breezy this morning; cloudy with a little snow with little or no accumulation; snow can make roads and sidewalks slippery, causing travel disruptions Hi: 33°

Tonight: Overcast and breezy with a little snow, accumulating a coating to an inch; storm total snowfall 1-3 inches Lo: 25°

Current Weather

6:15 AM

15°F
RealFeel® 8°
Mostly cloudy More Details
Wind ENE 6 mph
Wind Gusts 12 mph
Air Quality Fair

WinterCast®

Started
Fri Evening - Late Sat Night

Snow

Ending in 23 hours

Cornwall Weather Radar

Cornwall Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

7 AM 18°
rain drop 44%
8 AM 20°
rain drop 44%
9 AM 22°
rain drop 51%
10 AM 25°
rain drop 42%
11 AM 29°
rain drop 38%
12 PM 31°
rain drop 38%
1 PM 32°
rain drop 41%
2 PM 33°
rain drop 44%
3 PM 33°
rain drop 40%
4 PM 32°
rain drop 34%
5 PM 32°
rain drop 34%
6 PM 31°
rain drop 33%

10-Day Weather Forecast

Today

1/17

33° 25°

A little snow

Night: Breezy with a bit of snow

55%

Sun

1/18

29° 18°

Low clouds and breezy

Cloudy with a few flurries

25%

Mon

1/19

26° 2°

A bit of afternoon snow

Mostly cloudy; windy, colder

80%

Tue

1/20

12° 6°

Mostly cloudy and colder

Mostly cloudy

16%

Wed

1/21

24° 20°

A little snow in the p.m.

A little snow; windy early

60%

Thu

1/22

28° -1°

Breezy in the afternoon

Partly cloudy and much colder

14%

Fri

1/23

10° -8°

Very cold with periods of sun

Colder; a little evening snow

25%

Sat

1/24

-1° -15°

Mostly sunny and very cold

Mainly clear and frigid

12%

Sun

1/25

0° -10°

Very cold with lots of sun

Partly cloudy and cold

1%

Mon

1/26

6° -1°

Turning cloudy; bitterly cold

Turning out clear

25%

Sun & Moon

9 hrs 13 mins
Rise 7:33 AM
Set 4:46 PM
Waning Crescent
Rise 7:12 AM
Set 3:24 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Dust & Dander Extreme Data is not supported in this location

Top Stories

Winter Weather

Storm to bring snow from Georgia to North Carolina, graze Northeast

11 minutes ago

Winter Weather

Large storms with snow and ice may be on the horizon for next week

15 hours ago

Climate

Western US faces worsening snow drought, with California the exception

9 hours ago

Winter Weather

Rounds of snow to create hazardous travel from Midwest to Northeast

1 hour ago

Winter Weather

1 dead after 5 pileups on snowy roads in New York, Pennsylvania

17 hours ago

More Stories

Featured Stories

Climate

Why this famous iceberg turned blue and what it says about melting ice

15 hours ago

Astronomy

NASA to roll out Artemis II rocket ahead of astronaut moon launch

11 hours ago

Recreation

Death of 2 Florida students highlights risks of sand collapse

1 day ago

Astronomy

March’s total lunar eclipse will turn the moon red, here’s when to see...

2 days ago

Recreation

Rare and majestic sand sculptures only exist for minutes

17 hours 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

...

...

...