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

Grimsby, Ontario

54°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

54°
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
Help
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

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

8 AM

49°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms
alerts

Yellow Advisory - Fog

6:55 AM Saturday - 9:00 AM Saturday
alerts

Yellow Advisory - Fog

7:47 AM Saturday - 11:00 AM Saturday

RealFeel Shade™40°

WindSSW 15 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts30 mph

Humidity98%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Advisory - Fog

7:47 AM Saturday - 11:00 AM Saturday

RealFeel Shade™45°

WindSSW 16 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts30 mph

Humidity90%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

56°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Advisory - Fog

7:47 AM Saturday - 11:00 AM Saturday

RealFeel Shade™49°

WindSSW 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts30 mph

Humidity85%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

59°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

RealFeel Shade™51°

WindSSW 18 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts31 mph

Humidity79%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

12 PM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™56°

WindSSW 18 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts32 mph

Humidity76%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™58°

WindSW 22 mph

Air QualityExcellent

Max UV Index1.5 (Low)

Wind Gusts39 mph

Humidity73%

Indoor Humidity64% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling24000 ft

2 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™61°

WindSW 23 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts40 mph

Humidity71%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling24000 ft

3 PM

63°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™57°

WindSW 25 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts40 mph

Humidity77%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling18600 ft

4 PM

63°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™53°

WindSW 27 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts41 mph

Humidity79%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.06 in

Visibility5 mi

Cloud Ceiling1600 ft

5 PM

62°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™52°

WindSW 24 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts43 mph

Humidity80%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.06 in

Visibility5 mi

Cloud Ceiling1600 ft

6 PM

61°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™54°

WindSW 23 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts43 mph

Humidity80%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

7 PM

60°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSW 18 mph

Air QualityExcellent

Wind Gusts35 mph

Humidity80%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

8 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSW 17 mph

Air QualityExcellent

Wind Gusts33 mph

Humidity83%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

9 PM

58°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSW 17 mph

Air QualityExcellent

Wind Gusts32 mph

Humidity83%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

10 PM

58°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWSW 16 mph

Air QualityExcellent

Wind Gusts29 mph

Humidity82%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

11 PM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWSW 15 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity81%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling1600 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms to bring multiday, nighttime tornado risk in central US

1 hour ago

Severe Weather

Mother, daughter killed after tornado rips through northern Oklahoma

16 hours ago

Recreation

25-year-old becomes 1st American woman to row solo across Atlantic

18 hours ago

Weather News

Daylight saving time returns Sunday, 1 area is done changing clocks

1 day ago

Weather Forecasts

Warm surge to overtake East, records may be set

1 hour ago

 More Stories

Featured Stories

Recreation

When will DC cherry blossoms reach peak bloom? 2026 forecast released

1 day ago

Recreation

Death Valley’s best superbloom since 2016 is here

2 days ago

Weather News

Louisiana rocked by strongest earthquake in decades

1 day ago

Health

How to use the UV Index to lower your skin cancer risk

17 hours ago

Recreation

Yellowstone geyser erupts for 1st time since 2020

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 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

...

...

...