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

Grimsby, Ontario

36°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grimsby

Ontario

36°
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

Today's Weather

Thu, Jan 8

Some sun, then turning cloudy Hi: 45°

Tonight: Rain arriving in the late evening; windy late Lo: 36°

Current Weather

6:33 AM

36°F
RealFeel® 38°
Cloudy More Details
Wind SW 3 mph
Wind Gusts 5 mph
Air Quality Fair

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

7 AM 35°
rain drop 0%
8 AM 34°
rain drop 0%
9 AM 35°
rain drop 0%
10 AM 38°
rain drop 0%
11 AM 40°
rain drop 0%
12 PM 43°
rain drop 0%
1 PM 44°
rain drop 0%
2 PM 45°
rain drop 0%
3 PM 43°
rain drop 0%
4 PM 42°
rain drop 0%
5 PM 40°
rain drop 0%
6 PM 38°
rain drop 0%

10-Day Weather Forecast

Today

1/8

45° 36°

Some sun, then turning cloudy

Night: Rain; windy late

2%

Fri

1/9

57° 32°

Strong winds subsiding; rain

Breezy early; turning cloudy

91%

Sat

1/10

39° 29°

Occasional rain and drizzle

Windy; a few evening showers

91%

Sun

1/11

34° 28°

Increasingly windy

Partly cloudy and windy

25%

Mon

1/12

36° 33°

Some sun; breezy in the p.m.

Breezy early; partly cloudy

25%

Tue

1/13

40° 34°

Cloudy and breezy

Cloudy with a shower late

14%

Wed

1/14

36° 21°

Cloudy with occasional rain

Partly cloudy and colder

55%

Thu

1/15

24° 19°

Clouds and sun

Clear to partly cloudy

1%

Fri

1/16

27° 22°

Low clouds

Overcast with a little snow

14%

Sat

1/17

31° 24°

Times of clouds and sun

Partly cloudy

4%

Sun & Moon

9 hrs 10 mins
Rise 7:50 AM
Set 5:00 PM
Waning Gibbous
Rise 11:19 PM
Set 11:07 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

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

Top Stories

Weather News

Los Angeles wildfires one year later: rebuilding after $275B loss

22 hours ago

Weather Forecasts

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

1 hour ago

Winter Weather

Alaska braces for new storms after extreme snowfall

18 hours ago

Winter Weather

Heavy snow, travel problems to expand from Cascades to interior West

1 hour ago

Severe Weather

Snow, flooding and severe weather to unfold in central, eastern US

56 minutes ago

More Stories

Featured Stories

Astronomy

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

1 day ago

Climate

Climate risk reshaping homeownership decisions, study finds

17 hours ago

Live Blog

A Paris snowman at the Eiffel Tower

LATEST ENTRY

Snowman appears at Eiffel Tower after Paris Snowfall

1 day ago

Severe Weather

Top 5 tornado states in 2025

2 days ago

Astronomy

January quietly brings a big change to daylight across the US

17 hours 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

...

...

...