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

Cornwall Island, Ontario

28°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall Island

Ontario

28°
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 Island, 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
Yellow Advisory - Freezing Drizzle

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

February 17 - March 18

Tue 2/17

41° /20°
60%

WinterCast

Little to no accumulation

Tue, 2/17, 9:00 AM - Tue, 2/17, 1:00 PM

Snow

A couple of showers of rain or snow this morning; otherwise, rather cloudy
alerts

Yellow Advisory - Freezing Drizzle

8:21 PM Monday - 9:00 AM Tuesday

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindSW 7 mph

Wed 2/18

30° /11°
0%
Mostly cloudy and colder

RealFeel®23°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNE 9 mph

Thu 2/19

29° /11°
0%
Mostly cloudy

RealFeel®28°

RealFeel Shade™27°

Max UV Index2.0 (Low)

WindNE 6 mph

Fri 2/20

27° /21°
67%

WinterCast

1 - 3 in

Fri, 2/20, 1:00 PM - Sat, 2/21, 8:00 AM

Snow

Breezy; sun and areas of high clouds in the morning, then a coating to an inch of snow in the afternoon

RealFeel®12°

RealFeel Shade™12°

Max UV Index2.0 (Low)

WindENE 15 mph

Sat 2/21

31° /19°
55%

WinterCast

1 - 3 in

Fri, 2/20, 1:00 PM - Sat, 2/21, 8:00 AM

Snow

Breezy in the morning with a bit of snow; otherwise, mostly cloudy; storm total snowfall 1-3 inches

RealFeel®34°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindNE 8 mph

Sun 2/22

32° /19°
7%
Clouds and sun

RealFeel®28°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindW 7 mph

Mon 2/23

30° /6°
4%
Intervals of clouds and sun

RealFeel®38°

RealFeel Shade™35°

Max UV Index3.0 (Moderate)

WindNW 1 mph

Tue 2/24

14° /-3°
0%
Frigid with sunshine and a few clouds

RealFeel®21°

RealFeel Shade™16°

Max UV Index3.0 (Moderate)

WindWSW 4 mph

Wed 2/25

30° /26°
23%
Cloudy and not as cold

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindSSE 6 mph

Thu 2/26

37° /25°
72%
Sleet and freezing rain in the morning; snow and sleet in the afternoon

RealFeel®33°

RealFeel Shade™33°

Max UV Index1.0 (Low)

WindSW 9 mph

Fri 2/27

33° /20°
0%
Rather cloudy

RealFeel®39°

RealFeel Shade™36°

Max UV Index2.0 (Low)

WindN 4 mph

Sat 2/28

30° /16°
55%
A bit of ice in the morning; otherwise, windy with decreasing clouds

RealFeel®15°

RealFeel Shade™13°

Max UV Index3.0 (Moderate)

WindSW 18 mph

Sun 3/1

29° /14°
1%
Clouds and sunshine

RealFeel®19°

RealFeel Shade™16°

Max UV Index3.0 (Moderate)

WindWSW 14 mph

Mon 3/2

30° /13°
71%
Sleet and freezing rain mixing with snow

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindN 6 mph

Tue 3/3

37° /20°
64%
Periods of snow mixing with rain

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindWSW 13 mph

Wed 3/4

27° /20°
25%
Cloudy and colder

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindWSW 13 mph

Thu 3/5

29° /19°
59%
Cloudy with a flurry early, then an hour or two of snow

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindSW 8 mph

Fri 3/6

32° /14°
25%
Cloudy most of the time

RealFeel®36°

RealFeel Shade™36°

Max UV Index2.0 (Low)

WindNW 2 mph

Sat 3/7

27° /11°
25%
Rather cloudy

RealFeel®22°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindWSW 8 mph

Sun 3/8

26° /7°
20%
Partly sunny

RealFeel®27°

RealFeel Shade™19°

Max UV Index4.0 (Moderate)

WindW 7 mph

Mon 3/9

26° /9°
55%
Cloudy with a bit of snow

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindWSW 6 mph

Tue 3/10

27° /8°
55%
Mostly cloudy with a bit of snow

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindSE 4 mph

Wed 3/11

27° /8°
20%
Sunshine and a few clouds

RealFeel®30°

RealFeel Shade™23°

Max UV Index4.0 (Moderate)

WindW 5 mph

Thu 3/12

28° /9°
20%
Partly sunny

RealFeel®29°

RealFeel Shade™24°

Max UV Index4.0 (Moderate)

WindWSW 6 mph

Fri 3/13

31° /12°
20%
Plenty of sunshine

RealFeel®35°

RealFeel Shade™31°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Sat 3/14

37° /16°
25%
Becoming cloudy

RealFeel®33°

RealFeel Shade™33°

Max UV Index2.0 (Low)

WindENE 6 mph

Sun 3/15

40° /21°
25%
Cloudy

RealFeel®33°

RealFeel Shade™33°

Max UV Index1.0 (Low)

WindNE 10 mph

Mon 3/16

39° /19°
20%
Mostly sunny

RealFeel®39°

RealFeel Shade™35°

Max UV Index4.0 (Moderate)

WindENE 8 mph

Tue 3/17

42° /21°
20%
Mostly sunny

RealFeel®41°

RealFeel Shade™37°

Max UV Index4.0 (Moderate)

WindENE 7 mph

Wed 3/18

42° /27°
55%
Cloudy; a flurry in the morning followed by a little rain in the afternoon

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindENE 7 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

California bracing for flooding, pass-closing snow and severe storms

13 hours ago

Travel

Italy’s famous 'lovers’ arch' crashes into the sea on Valentine’s Day

15 hours ago

Weather Forecasts

Record warmth to expand across central, eastern US this week

12 hours ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

14 hours ago

Weather Forecasts

Snow, ice, rain and severe weather coming to central, eastern U.S.

11 hours ago

More Stories

Featured Stories

Recreation

Presidents Day marks first Free National Park day in 2026

17 hours ago

Weather News

What's behind South Carolina’s recent earthquakes

15 hours ago

Weather News

Gray wolf tracked in Los Angeles County for first time

5 days ago

Astronomy

A 'ring of fire' eclipse is coming Feb. 17

19 hours ago

Weather News

99% of Florida is in drought with almost no rain falling in February

3 days ago

World North America Canada Ontario Cornwall Island

Weather Near Cornwall Island:

  • 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

...

...

...