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

St. Catharines, Ontario

23°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Catharines

Ontario

23°
No results found.
Try searching for a city, zip code or point of interest.
settings
St. Catharines, 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

Sat, Dec 27

Considerable cloudiness Hi: 27°

Tonight: Becoming partly cloudy Lo: 21°

Current Weather

9:23 AM

23°F
RealFeel® 22°
Mostly cloudy More Details
RealFeel Shade™ 22°
Wind NE 5 mph
Wind Gusts 5 mph
Air Quality Excellent

Looking Ahead

Icy conditions tomorrow morning

WinterCast®

Sun Morning

Ice

Lasting 4 hours

St. Catharines Weather Radar

St. Catharines 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

10 AM 24°
rain drop 0%
11 AM 25°
rain drop 0%
12 PM 25°
rain drop 0%
1 PM 26°
rain drop 0%
2 PM 26°
rain drop 0%
3 PM 26°
rain drop 0%
4 PM 27°
rain drop 0%
5 PM 26°
rain drop 0%
6 PM 25°
rain drop 0%
7 PM 23°
rain drop 0%
8 PM 24°
rain drop 0%
9 PM 24°
rain drop 0%

10-Day Weather Forecast

Today

12/27

27° 21°

Considerable cloudiness

Night: Becoming partly cloudy

2%

Sun

12/28

42° 33°

Morning icy mix; not as cold

Periods of rain; breezy late

75%

Mon

12/29

42° 21°

Very windy; morning rain

Very windy; snow showers

88%

Tue

12/30

28° 24°

Very windy; a little snow

Windy; a bit of evening snow

88%

Wed

12/31

31° 12°

Remaining cloudy and breezy

A bit of snow; breezy early

25%

Thu

1/1

22° 14°

Snow squalls; windy, colder

Cloudy, a bit of snow; breezy

65%

Fri

1/2

24° 16°

Mostly cloudy and cold

Areas of low clouds

25%

Sat

1/3

25° 12°

Times of sun and clouds

Some clouds; not as cold

25%

Sun

1/4

34° 15°

Rain and sleet in the p.m.

A bit of ice late

71%

Mon

1/5

33° 24°

Snow and ice, mainly early

Overcast with a bit of snow

67%

Sun & Moon

9 hrs 00 mins
Rise 7:48 AM
Set 4:48 PM
First Quarter
Rise 11:52 AM
Set 12:57 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 High Data is not supported in this location

Top Stories

Winter Weather

Bomb storm to bring blizzard conditions, ice to Great Lakes, Northeast

29 minutes ago

Weather News

Top 10 weather events of 2025 that smashed records

22 hours ago

Weather Forecasts

New Year's forecast: Snow for Great Lakes, Northeast; Drier in Cali

3 hours ago

Winter Weather

Arctic blast to bring waves of dangerous cold to Midwest, Northeast

3 hours ago

More Stories

Featured Stories

Health

CDC links raw oysters to 64 salmonella cases in 22 states

23 hours ago

Recreation

Hiker’s body recovered from California's tallest mountain after storms

2 days ago

Astronomy

The upsidedown moon: Why the moon looks odd on the other side of the w...

22 hours ago

Health

Traveler might have exposed many to measles in Massachusetts

1 day ago

Recreation

Big Bend National Park asks visitors to stop treating it like a ‘trash...

3 days ago

World North America Canada Ontario St. Catharines

Weather Near St. Catharines:

  • 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
© 2025 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

...

...

...