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

Cornwall, Ontario

64°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

64°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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

 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Sun, Jun 14

Mostly cloudy and cooler with thunderstorms, heaviest late in the day; storms can bring flash flooding and damaging winds Hi: 68°

Tonight: A brief evening shower or two; otherwise, mostly cloudy Lo: 54°

Current Weather

6:55 PM

64°F
RealFeel® 63°
Rain More Details
RealFeel Shade™ 63°
Wind W 4 mph
Wind Gusts 6 mph
Air Quality Excellent

MINUTECAST®

Rain for at least 60 min

Now
7:55 PM

Looking Ahead

Rain and thunderstorms Thursday

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 PM 65°
rain drop 83%
8 PM 64°
rain drop 61%
9 PM 63°
rain drop 61%
10 PM 62°
rain drop 49%
11 PM 62°
rain drop 34%
12 AM 62°
rain drop 34%
1 AM 60°
rain drop 29%
2 AM 60°
rain drop 20%
3 AM 59°
rain drop 20%
4 AM 56°
rain drop 20%
5 AM 55°
rain drop 20%
6 AM 54°
rain drop 20%

10-Day Weather Forecast

Today

6/14

68° 54°

Thunderstorms, heaviest late

Night: A brief evening shower or two
100%

Mon

6/15

69° 50°

A shower in the a.m.; breezy

Partly cloudy
49%

Tue

6/16

74° 55°

Partly sunny, showers around

Partly cloudy
84%

Wed

6/17

73° 58°

Partly sunny with a shower

Overcast
55%

Thu

6/18

73° 58°

Windy with rain and a t-storm

Mostly cloudy and windy
95%

Fri

6/19

72° 54°

A couple of afternoon showers

Breezy; evening showers
80%

Sat

6/20

68° 50°

Breezy with showers possible

Clouds breaking
35%

Sun

6/21

69° 54°

A chance for showers

Cloudy with late-night rain
35%

Mon

6/22

72° 55°

Periods of rain

Periods of rain
64%

Tue

6/23

74° 55°

A couple of morning showers

A bit of evening rain
56%

Sun & Moon

15 hrs 36 mins
Rise 5:11 AM
Set 8:47 PM
New Moon
Rise 4:05 AM
Set 9:00 PM

Air Quality

See More
Air Quality Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

Allergy Outlook

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

Top Stories

Severe Weather

Severe thunderstorm risk to return to the storm-weary Midwest

3 hours ago

Climate

El Niño is here, and it’s developing faster than many typically do

3 days ago

Hurricane

South faces days of flooding rain as Gulf remains tropical focus

14 minutes ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Severe weather temporarily suspends Fan Festival in Houston

4 hours ago

Weather Forecasts

First heat wave of season to build in Northwest into Monday

5 hours ago

 More Stories

Featured Stories

Hurricane

Past El Niño Atlantic hurricane seasons still had devastating storms

4 days ago

Travel

Deer are already using a wildlife bridge over a crash-prone highway

4 days ago

Astronomy

Meet the Artemis III astronauts flying in 2027

5 days ago

Weather News

Gender reveal sparked wildfire. Who’s held accountable is unusual

5 days ago

Astronomy

NASA's X-59 breaks sound barrier for the first time

5 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

...

...

...