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

Cornwall, Ontario

33°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

33°
No results found.
Try searching for a city, zip code or point of interest.
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
Cornwall, Ontario 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

Winter Center
Today WinterCast Hourly

10-Day

 Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

April 6 - April 20

Mon 4/6

40° /21°
25%

WinterCast

A coating to an inch

Tue, 4/7, 2:00 AM - Tue, 4/7, 4:00 AM

Snow
Breezy and cooler with a thick cloud cover

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindWNW 15 mph

Tue 4/7

31° /22°
55%
Breezy in the morning with a snow shower; rather cloudy and very cold

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindWNW 13 mph

Wed 4/8

43° /26°
1%
Sunny to partly cloudy and not as cold

RealFeel®42°

RealFeel Shade™36°

Max UV Index6.0 (High)

WindWSW 10 mph

Thu 4/9

61° /47°
55%
Mostly cloudy, breezy and warmer; an afternoon shower in places

RealFeel®57°

RealFeel Shade™55°

Max UV Index3.0 (Moderate)

WindSSW 15 mph

Fri 4/10

58° /37°
55%
Cloudy with a bit of rain

RealFeel®57°

RealFeel Shade™53°

Max UV Index3.0 (Moderate)

WindWSW 9 mph

Sat 4/11

55° /37°
1%
Partly sunny

RealFeel®60°

RealFeel Shade™54°

Max UV Index6.0 (High)

WindNE 7 mph

Sun 4/12

63° /50°
1%
Clouds and sun

RealFeel®64°

RealFeel Shade™61°

Max UV Index5.0 (Moderate)

WindSSW 5 mph

Mon 4/13

65° /47°
61%
Cloudy with a couple of showers

RealFeel®62°

RealFeel Shade™62°

Max UV Index2.0 (Low)

WindSW 13 mph

Tue 4/14

56° /31°
1%
Increasing amounts of sun

RealFeel®59°

RealFeel Shade™54°

Max UV Index3.0 (Moderate)

WindNNE 8 mph

Wed 4/15

42° /31°
4%
Intervals of clouds and sunshine

RealFeel®47°

RealFeel Shade™42°

Max UV Index5.0 (Moderate)

WindNE 7 mph

Thu 4/16

47° /32°
0%
Plenty of sun

RealFeel®53°

RealFeel Shade™47°

Max UV Index6.0 (High)

WindW 5 mph

Fri 4/17

49° /34°
3%
Sun giving way to increasing clouds

RealFeel®44°

RealFeel Shade™42°

Max UV Index6.0 (High)

WindWSW 12 mph

Sat 4/18

60° /37°
1%
Partly sunny

RealFeel®60°

RealFeel Shade™57°

Max UV Index6.0 (High)

WindWNW 10 mph

Sun 4/19

58° /34°
83%
Cloudy with rain ending, then maybe another shower

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindSE 7 mph

Mon 4/20

60° /40°
25%
Mostly cloudy

RealFeel®60°

RealFeel Shade™58°

Max UV Index2.0 (Low)

WindNW 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Slow-moving rainstorm to douse Florida drought, wildfire risk

13 minutes ago

Brush fire quickly explodes in size in Southern California

2 days ago 0:26
Live Blog

Artemis II update: Astronauts prepare for moon flyby operations

LATEST ENTRY

Artemis II crew receives historic message ahead of closest moon flyby

11 hours ago

Winter Weather

Cold air returns with snow in Northeast after weekend warmth

12 hours ago

Severe Weather

Third storm in 3 weeks to unleash more rain, flooding in Hawaii

13 minutes ago

 More Stories

Featured Stories

Winter Weather

French vineyards light hundreds of fires to fight off a spring freeze

2 days ago

Climate

How a 264,500-pound home was saved from erosion in the Outer Banks

3 days ago

Why Easter moves around each year

5 days ago 0:31

Recreation

Grand Canyon water restrictions could close South Rim lodging

3 days ago

Astronomy

Pink Moon, 1st full moon of spring, lights up April sky

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 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 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

...

...

...