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

Cornwall, Ontario

38°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

38°
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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

January 10 - February 8

Sat 1/10

31° /26°
1%

WinterCast

A coating to an inch

Sat, 1/10, 8:00 PM - Sun, 1/11, 5:00 AM

Snow

0.15 - 0.25 in

Sat, 1/10, 8:00 PM - Sun, 1/11, 1:00 AM

Ice
Cloudy and colder; breezy this afternoon

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindNNE 9 mph

Sun 1/11

36° /9°
61%

WinterCast

Little to no accumulation

Sun, 1/11, 5:00 PM - Sun, 1/11, 7:00 PM

Snow
Mostly cloudy and windy; a little snow in the afternoon with little or no accumulation

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindSW 16 mph

Mon 1/12

32° /27°
65%

WinterCast

A coating to an inch

Mon, 1/12, 4:00 PM - Mon, 1/12, 10:00 PM

Snow
Breezy in the morning; otherwise, low clouds with intermittent snow and flurries in the afternoon with little or no accumulation

RealFeel®23°

RealFeel Shade™23°

Max UV Index0.0 (Low)

WindSW 10 mph

Tue 1/13

37° /36°
15%
Low clouds

RealFeel®32°

RealFeel Shade™32°

Max UV Index0.0 (Low)

WindSW 10 mph

Wed 1/14

39° /4°
25%
Remaining cloudy

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSW 9 mph

Thu 1/15

10° /-1°
55%
A little snow in the morning; otherwise, mostly cloudy and frigid

RealFeel®-1°

RealFeel Shade™-1°

Max UV Index1.0 (Low)

WindNW 9 mph

Fri 1/16

14° /3°
5%
Cold with intervals of clouds and sunshine

RealFeel®20°

RealFeel Shade™19°

Max UV Index2.0 (Low)

WindWNW 2 mph

Sat 1/17

21° /16°
6%
Turning cloudy

RealFeel®23°

RealFeel Shade™23°

Max UV Index2.0 (Low)

WindNE 2 mph

Sun 1/18

24° /11°
25%
Mostly cloudy

RealFeel®28°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindSW 4 mph

Mon 1/19

16° /0°
55%
Cloudy and colder; a little snow in the afternoon

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindW 8 mph

Tue 1/20

8° /-5°
12%
Partly sunny and frigid

RealFeel®-3°

RealFeel Shade™-3°

Max UV Index2.0 (Low)

WindW 12 mph

Wed 1/21

7° /-3°
25%
Mostly cloudy and bitterly cold

RealFeel®-2°

RealFeel Shade™-2°

Max UV Index1.0 (Low)

WindW 9 mph

Thu 1/22

12° /5°
4%
Mostly sunny and cold

RealFeel®22°

RealFeel Shade™17°

Max UV Index2.0 (Low)

WindSSW 2 mph

Fri 1/23

11° /4°
25%
Mostly cloudy and cold

RealFeel®16°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindS 5 mph

Sat 1/24

18° /5°
25%
Cloudy

RealFeel®20°

RealFeel Shade™20°

Max UV Index1.0 (Low)

WindS 5 mph

Sun 1/25

29° /3°
25%
Cloudy and not as cold

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindNW 6 mph

Mon 1/26

26° /0°
56%
On-and-off snow

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindENE 9 mph

Tue 1/27

15° /-4°
20%
Some sunshine

RealFeel®20°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindSSW 4 mph

Wed 1/28

18° /10°
57%
Periods of snow

RealFeel®8°

RealFeel Shade™8°

Max UV Index1.0 (Low)

WindSE 8 mph

Thu 1/29

31° /13°
25%
Mostly cloudy and not as cold

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindSW 9 mph

Fri 1/30

31° /-3°
57%
Cloudy; a flurry in the morning followed by periods of snow in the afternoon

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindW 17 mph

Sat 1/31

15° /-3°
57%
Cloudy and colder; periods of snow in the afternoon

RealFeel®-3°

RealFeel Shade™-3°

Max UV Index2.0 (Low)

WindSSW 12 mph

Sun 2/1

18° /-4°
20%
Sunshine and a few clouds

RealFeel®7°

RealFeel Shade™4°

Max UV Index2.0 (Low)

WindWSW 12 mph

Mon 2/2

15° /-4°
5%
Sunshine

RealFeel®19°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindWSW 6 mph

Tue 2/3

16° /-3°
5%
Plenty of sunshine

RealFeel®21°

RealFeel Shade™16°

Max UV Index2.0 (Low)

WindNW 4 mph

Wed 2/4

15° /-4°
20%
Becoming cloudy

RealFeel®15°

RealFeel Shade™12°

Max UV Index2.0 (Low)

WindSW 6 mph

Thu 2/5

18° /12°
25%
Cloudy

RealFeel®12°

RealFeel Shade™12°

Max UV Index1.0 (Low)

WindSW 7 mph

Fri 2/6

29° /12°
25%
Not as cold with a thick cloud cover

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindSE 2 mph

Sat 2/7

30° /10°
25%
Continued cloudy

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindNE 7 mph

Sun 2/8

29° /5°
25%
Mostly cloudy

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindSW 4 mph

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

11 hours ago

Astronomy

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

11 hours ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

13 hours ago

Winter Weather

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

12 hours ago

Severe Weather

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

6 hours 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

12 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

...

...

...