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

Grimsby, Ontario

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

50°
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

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

4 AM

47°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 78%
Chevron down
Rain

WindSSE 18 mph

Air QualityFair

Wind Gusts36 mph

Humidity69%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility7 mi

Cloud Ceiling4000 ft

5 AM

47°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 70%
Chevron down
Rain

WindS 20 mph

Air QualityFair

Wind Gusts37 mph

Humidity67%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Rain0.01 in

Visibility7 mi

Cloud Ceiling4000 ft

6 AM

47°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 73%
Chevron down
Rain

WindS 21 mph

Air QualityFair

Wind Gusts39 mph

Humidity72%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

7 AM

47°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 69%
Chevron down
Rain

WindSSW 27 mph

Air QualityFair

Wind Gusts50 mph

Humidity74%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility7 mi

Cloud Ceiling4000 ft

8 AM

48°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 70%
Chevron down
Rain

RealFeel Shade™31°

WindSSW 25 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts48 mph

Humidity79%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Rain0.04 in

Visibility7 mi

Cloud Ceiling4000 ft

9 AM

48°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 69%
Chevron down
Rain

RealFeel Shade™33°

WindSSW 25 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts47 mph

Humidity81%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.03 in

Visibility7 mi

Cloud Ceiling3100 ft

10 AM

49°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™37°

WindSSW 25 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts47 mph

Humidity82%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3000 ft

11 AM

51°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™40°

WindSSW 27 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts50 mph

Humidity80%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2300 ft

12 PM

54°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 39%
Chevron down
Cloudy

RealFeel Shade™43°

WindSSW 29 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts54 mph

Humidity76%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

57°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindSSW 27 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts48 mph

Humidity72%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

55°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 56%
Chevron down
Rain

RealFeel Shade™42°

WindSSW 29 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts47 mph

Humidity73%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

3 PM

53°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™42°

WindSW 31 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts48 mph

Humidity70%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling2200 ft

4 PM

50°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain

RealFeel Shade™34°

WindWSW 30 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts51 mph

Humidity71%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility6 mi

Cloud Ceiling2300 ft

5 PM

47°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain

RealFeel Shade™31°

WindWSW 27 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts44 mph

Humidity71%

Indoor Humidity34% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Rain0.03 in

Visibility6 mi

Cloud Ceiling2300 ft

6 PM

45°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

WindWSW 22 mph

Air QualityExcellent

Wind Gusts38 mph

Humidity72%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling1700 ft

7 PM

42°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 18 mph

Air QualityExcellent

Wind Gusts32 mph

Humidity75%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

41°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 16 mph

Air QualityExcellent

Wind Gusts28 mph

Humidity73%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

40°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 14 mph

Air QualityExcellent

Wind Gusts24 mph

Humidity75%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

39°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 12 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity77%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

38°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 10 mph

Air QualityFair

Wind Gusts20 mph

Humidity77%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Sunday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Astronomy

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

6 hours ago

Winter Weather

Juneau, Alaska, braces for more snow: 'There's nowhere to put it'

14 hours ago

Weather Forecasts

Springlike warmth in East to be replaced by cold air, snowstorm risk

25 minutes ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

1 day ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

24 minutes ago

More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

13 hours ago

Weather News

Europe hit by winter storm; flights, trains disrupted

17 hours ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

14 hours ago

Climate

Climate risk reshaping homeownership decisions, study finds

1 day ago

Astronomy

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

2 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

...

...

...