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

Cornwall, Ontario

61°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

Ontario

61°
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
Wednesday, August 26

Current Weather

10:01 PM

61°F
Mostly cloudy
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
63°
Wind
NE 1 mph
Wind Gusts
5 mph
Humidity
98%
Indoor Humidity
76% (Slightly Humid)
Dew Point
60° F
Pressure
↓ 29.94 in
Cloud Cover
76%
Visibility
12 mi
Cloud Ceiling
34000 ft

Night

8/26
58°Lo
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSE 5 mph

Wind Gusts7 mph

Probability of Precipitation8%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover50%

Evening

Overnight

Sun & Moon

13 hrs 34 mins
Rise 6:13 AM
Set 7:47 PM
Waxing Gibbous
Rise 7:14 PM
Set 5:29 AM

Temperature History

8/26
High
Low
Forecast
77°
58°
Average
78°
54°
Last Year
67°
56°

Current Weather Conditions in Cornwall

Cornwall, Ontario is currently Mostly cloudy with a temperature of 61°. The current RealFeel® Temperature is 63° (Pleasant) based on observed conditions including 98% humidity, 76% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 63°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Cornwall, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall foliage forecast 2026: Where to expect the best color in the US

15 hours ago

Severe Weather

Hundreds missing after massive flood wave on China-Nepal border

6 hours ago

Hurricane

Could a tropical wave beat the odds and become 'Dolly?'

10 hours ago

Weather Forecasts

Los Angeles heat wave may extend to last weekend of August

8 hours ago

Climate

Global ocean heat breaks record months after its usual peak

13 hours ago

 More Stories

Featured Stories

Weather News

Ross Fire doubles to 80,000 acres, destroys structures

10 hours ago

Astronomy

Best lunar eclipse for the US until 2029 arrives Thursday night

7 hours ago

Astronomy

NASA’s Roman Space Telescope set to launch Sunday

8 hours ago

Weather News

Heavy rains hit vulnerable communities after Venezuela earthquakes

12 hours ago

Weather News

Salmonella cases from jalapeno peppers reach 431 across 32 states

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

...

...

...