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

Grimsby, Ontario

3°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

3°
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
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

Tue, 2/10, 10:00 AM - Wed, 2/11, 7:00 AM

Snow

0.05 - 0.15 in

Tue, 2/10, 4:00 AM - Tue, 2/10, 12:00 PM

Ice

12 AM

1°
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
rain drop 0%
Chevron down
Partly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindWNW 6 mph

Air QualityPoor

Wind Gusts10 mph

Humidity82%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling33300 ft

1 AM

1°
RealFeel® -3°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindWNW 6 mph

Air QualityPoor

Wind Gusts10 mph

Humidity87%

Indoor Humidity15% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

1°
RealFeel® -3°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindW 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity87%

Indoor Humidity14% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

0°
RealFeel® -3°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindW 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity89%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

-1°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindWSW 5 mph

Air QualityPoor

Wind Gusts8 mph

Humidity90%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

-3°
RealFeel® -8°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindSW 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity96%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

-2°
RealFeel® -9°
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
rain drop 0%
Chevron down
Mostly cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindSW 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity91%

Indoor Humidity13% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling29600 ft

7 AM

-2°
RealFeel® -10°
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
rain drop 0%
Chevron down
Cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

WindSW 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity92%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling29600 ft

8 AM

-2°
RealFeel® -7°
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
rain drop 0%
Chevron down
Cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

RealFeel Shade™-7°

WindSW 6 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity94%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling29700 ft

9 AM

1°
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
rain drop 0%
Chevron down
Cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

RealFeel Shade™-4°

WindSW 6 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity90%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

10 AM

5°
RealFeel® 1°
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
rain drop 0%
Chevron down
Cloudy
alerts

Yellow Warning - Cold

3:08 PM Sunday - 11:00 AM Monday

RealFeel Shade™1°

WindSW 6 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity82%

Indoor Humidity16% (Extremely Dry)

Dew Point1° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

11 AM

9°
RealFeel® 5°
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
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™5°

WindSSW 6 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity18% (Extremely Dry)

Dew Point2° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

12 PM

11°
RealFeel® 8°
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
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™8°

WindS 6 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity73%

Indoor Humidity19% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

1 PM

14°
RealFeel® 12°
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 0%
Chevron down
Cloudy

RealFeel Shade™12°

WindS 6 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity69%

Indoor Humidity20% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

2 PM

17°
RealFeel® 14°
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 0%
Chevron down
Cloudy

RealFeel Shade™14°

WindS 6 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity65%

Indoor Humidity21% (Very Dry)

Dew Point7° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling4800 ft

3 PM

18°
RealFeel® 17°
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 0%
Chevron down
Cloudy

RealFeel Shade™17°

WindSSE 5 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity64%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling4800 ft

4 PM

19°
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
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™18°

WindSSE 5 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity63%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling4800 ft

5 PM

19°
RealFeel® 16°
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 0%
Chevron down
Cloudy

RealFeel Shade™16°

WindSSE 5 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts10 mph

Humidity66%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling4800 ft

6 PM

18°
RealFeel® 15°
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 0%
Chevron down
Cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity70%

Indoor Humidity24% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9700 ft

7 PM

16°
RealFeel® 14°
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 5%
Chevron down
Cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity74%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

8 PM

15°
RealFeel® 12°
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 5%
Chevron down
Cloudy

WindSSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity79%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

9 PM

16°
RealFeel® 12°
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 6%
Chevron down
Cloudy

WindSSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity76%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

10 PM

16°
RealFeel® 12°
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 7%
Chevron down
Cloudy

WindSSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity78%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling23400 ft

11 PM

16°
RealFeel® 12°
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 7%
Chevron down
Cloudy

WindS 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity79%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Clipper, weekend storm keep active winter pattern alive in the East

8 hours ago

Winter Weather

Cold drives heating demand as utility rate hikes impacts millions

2 days ago

Winter Weather

New Jersey firefighter dies after falling into frozen Delaware River

2 days ago

Weather Forecasts

Cold to pull back in eastern U.S. during week two, three of February

8 hours ago

Winter Weather

Flying snow, ice are injuring drivers: In some states, it can cost you

2 days ago

 More Stories

Featured Stories

Winter Weather

Ice on the Hudson River visible from space

2 days ago

Astronomy

6 planets, moon will align in February, but there's a catch

3 days ago

Recreation

Death Valley seeks tips after illegal off-roading damages rare plants

3 days ago

Weather News

Teen swam hours to get help for family swept out to sea

4 days ago

Winter Weather

Snow piles nearly 7 feet high as deadly storms bury northern Japan

5 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 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

...

...

...