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

Grimsby, Ontario

27°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

27°
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

Today's Weather

Sun, Jan 11

Increasingly windy with variable cloudiness Hi: 33°

Tonight: Mostly cloudy and windy Lo: 27°

Current Weather

5:37 PM

27°F
RealFeel® 16°
Mostly clear More Details
Wind WNW 10 mph
Wind Gusts 20 mph
Air Quality Excellent

Looking Ahead

Snow, mixed with rain at times from Wednesday morning into late Wednesday night will total 1-3 inches

WinterCast®

Mon Morning

Snow

Lasting 3 hours

Grimsby Weather Radar

Grimsby Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

6 PM 30°
rain drop 6%
7 PM 28°
rain drop 5%
8 PM 27°
rain drop 5%
9 PM 27°
rain drop 5%
10 PM 28°
rain drop 5%
11 PM 28°
rain drop 5%
12 AM 28°
rain drop 5%
1 AM 28°
rain drop 5%
2 AM 28°
rain drop 5%
3 AM 29°
rain drop 5%
4 AM 29°
rain drop 5%
5 AM 29°
rain drop 5%

10-Day Weather Forecast

Today

1/11

33° 27°

Increasingly windy

Night: Mostly cloudy and windy

25%

Mon

1/12

37° 32°

A bit of morning snow; windy

Breezy in the evening

63%

Tue

1/13

40° 36°

Increasingly windy

Windy; a couple of showers

55%

Wed

1/14

42° 18°

A bit of snow and rain

A bit of snow; breezy, colder

61%

Thu

1/15

20° 15°

Breezy and much colder

Breezy early; partly cloudy

25%

Fri

1/16

25° 22°

Sunshine and a few clouds

Partly cloudy

1%

Sat

1/17

32° 23°

Mostly cloudy and not as cold

Mainly clear

25%

Sun

1/18

27° 21°

Windy; cloudy, then clearing

Windy with increasing clouds

5%

Mon

1/19

26° 17°

Low clouds

Partly cloudy

25%

Tue

1/20

25° 17°

Cloudy, a flurry in the p.m.

Mostly cloudy

42%

Sun & Moon

9 hrs 15 mins
Rise 7:49 AM
Set 5:04 PM
Waning Crescent
Rise 1:28 AM
Set 11:46 AM

Air Quality

See More
Air Quality Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

Allergy Outlook

See All
Dust & Dander Moderate Data is not supported in this location

Top Stories

Winter Weather

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

3 hours ago

Winter Weather

Plunging temps, snow signal return of typical January winter weather

33 minutes ago

Astronomy

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

2 days ago

Weather Forecasts

Heavy rain, snowmelt to raise flood risk from Alaska to Washington

3 hours ago

Winter Weather

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

2 days ago

More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

3 days ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

3 days ago

Live Blog

Waves in the sky? Rare clouds dazzle in California

LATEST ENTRY

Kelvin-Helmholtz wave clouds appear in California

2 days ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

4 days ago

Astronomy

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

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 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

...

...

...