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

Cornwall, Ontario

57°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

57°
No results found.
Try searching for a city, zip code or point of interest.
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 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, December 12

Day

12/12
31°Hi
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
RealFeel Shade™ 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
Sleet and freezing rain

Max UV Index0.0 (Low)

WindE 13 mph

Wind Gusts21 mph

Probability of Precipitation71%

Probability of Thunderstorms0%

Precipitation0.33 in

Ice0.33 in

Hours of Precipitation12

Cloud Cover98%

Night

12/12
11°Lo
RealFeel® -4°
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
Snow, sleet, and freezing rain in the evening; cloudy with a couple of flurries late

WindN 8 mph

Wind Gusts16 mph

Probability of Precipitation58%

Probability of Thunderstorms0%

Precipitation0.03 in

Snow0.2

Ice0.02 in

Hours of Precipitation4

Cloud Cover98%

Sun & Moon

8 hrs 49 mins
Rise 8:28 AM
Set 5:17 PM
Waning Crescent
Rise 1:08 AM
Set 1:25 PM

Temperature History

12/12
High
Low
Forecast
31°
11°
Average
33°
17°
Last Year
35°
18°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Winter forecast 2025-26: Snowy season ahead for parts of the US

1 day ago

Hurricane

What's next after Imelda? Two areas being monitored, including near US

9 hours ago

Weather Forecasts

King tides are coming to the Southeast coast: here's what to know

9 hours ago

Weather Forecasts

Temperature swings and some much-needed rain on the way for the East

13 hours ago

Weather Forecasts

Thunderstorms, snow on tap this weekend as storm hits Rockies, Plains

10 hours ago

 More Stories

Featured Stories

Weather News

American climber Balin Miller dies aged 23 while climbing El Capitan

1 day ago

Astronomy

Draconid meteor shower 2025: How to see October's shooting stars

1 day ago

Weather News

Conservationist Jane Goodall dies at 91

2 days ago

Weather News

Shutdown threatens to stall rural loans and flood insurance

1 day ago

Winter Weather

How a Hunter Endured Two Nights Alone in Colorado’s Backcountry

4 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
© 2025 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

...

...

...