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

Grimsby, Ontario

37°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

37°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Grimsby, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

A coating to an inch

Wed, 1/14, 9:00 AM - Thu, 1/15, 12:00 AM

Snow

10 AM

37°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™30°

WindENE 12 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity76%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling26000 ft

11 AM

38°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™26°

WindE 15 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts24 mph

Humidity79%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

39°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 11%
Chevron down
Cloudy

RealFeel Shade™27°

WindE 15 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts24 mph

Humidity76%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

39°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™24°

WindENE 22 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts37 mph

Humidity75%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

39°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™26°

WindE 21 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts39 mph

Humidity76%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

39°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 31%
Chevron down
Cloudy

RealFeel Shade™26°

WindE 18 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts35 mph

Humidity78%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3100 ft

4 PM

40°
RealFeel® 24°
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
rain drop 68%
Chevron down
Rain

RealFeel Shade™24°

WindE 17 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts32 mph

Humidity79%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling2300 ft

5 PM

39°
RealFeel® 23°
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
rain drop 68%
Chevron down
Rain

RealFeel Shade™23°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts31 mph

Humidity83%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1600 ft

6 PM

39°
RealFeel® 24°
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
rain drop 68%
Chevron down
Rain

WindESE 16 mph

Air QualityExcellent

Wind Gusts30 mph

Humidity86%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1600 ft

7 PM

39°
RealFeel® 22°
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
rain drop 75%
Chevron down
Showers

WindS 17 mph

Air QualityFair

Wind Gusts32 mph

Humidity89%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1500 ft

8 PM

39°
RealFeel® 22°
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
rain drop 75%
Chevron down
Showers

WindSW 18 mph

Air QualityFair

Wind Gusts24 mph

Humidity90%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1500 ft

9 PM

39°
RealFeel® 24°
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
rain drop 49%
Chevron down
Cloudy

WindSW 21 mph

Air QualityFair

Wind Gusts33 mph

Humidity87%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

10 PM

39°
RealFeel® 24°
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
rain drop 34%
Chevron down
Cloudy

WindSW 23 mph

Air QualityFair

Wind Gusts43 mph

Humidity85%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

11 PM

39°
RealFeel® 22°
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
rain drop 34%
Chevron down
Cloudy

WindWSW 24 mph

Air QualityFair

Wind Gusts45 mph

Humidity83%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Two coastal storms could deliver snow to parts of Northeast next week

1 hour ago

Astronomy

NASA to bring Crew-11 astronauts home early after medical issue aboard...

19 hours ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

4 hours ago

Winter Weather

Storm Goretti sweeps United Kingdom, France with winds over 120 mph

20 hours ago

Severe Weather

Stormy weekend in eastern US: Flooding, thunder and even snow

1 hour ago

 More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

1 day ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

1 day ago
Live Blog

Waves in the sky? Rare clouds dazzle in California

LATEST ENTRY

Kelvin-Helmholtz wave clouds appear in California

19 hours ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

3 days ago

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

3 days ago
World North America Canada Ontario Grimsby

Weather Near Grimsby:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, 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
© 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

...

...

...