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

St. Catharines, Ontario

37°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Catharines

Ontario

37°
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
Special Weather Statement

Today's Weather

Wed, Dec 10

A mix of snow and rain with little or no accumulation; windy this afternoon; slippery conditions may lead to travel disruptions Hi: 39°

Tonight: Snow at times this evening, accumulating a coating to an inch; otherwise, cloudy, windy and colder; storm total snowfall 3-6 inches Lo: 20°

Current Weather

12:20 PM

37°F
RealFeel® 19°
Light rain More Details
RealFeel Shade™ 19°
Wind SW 21 mph
Wind Gusts 27 mph
Air Quality Fair

MINUTECAST™

Snow for at least 60 min

Now
1:20 PM

Looking Ahead

Snow, mixed with rain at times continuing through this evening and a storm total of 3-6 inches

WinterCast®

Fri Morning - Fri Evening

Snow

Lasting 10 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

1 PM 39°
rain drop 72%
2 PM 38°
rain drop 72%
3 PM 37°
rain drop 77%
4 PM 36°
rain drop 57%
5 PM 36°
rain drop 49%
6 PM 34°
rain drop 49%
7 PM 34°
rain drop 69%
8 PM 32°
rain drop 67%
9 PM 30°
rain drop 49%
10 PM 28°
rain drop 49%
11 PM 27°
rain drop 59%
12 AM 27°
rain drop 49%

10-Day Weather Forecast

Today

12/10

39° 20°

A mix of snow and rain

Night: Windy; evening snow, up to 1"

100%

Thu

12/11

26° 19°

Flurries; becoming windier

Breezy early; mostly cloudy

65%

Fri

12/12

32° 25°

Mostly cloudy, snow showers

A bit of snow late

65%

Sat

12/13

29° 17°

Mostly cloudy, windy and cold

Partly cloudy and breezy

25%

Sun

12/14

25° 20°

Becoming windier and cold

Breezy early; cloudy

25%

Mon

12/15

28° 26°

Cloudy and cold

Mostly cloudy

25%

Tue

12/16

36° 30°

Low clouds

A bit of ice early; cloudy

25%

Wed

12/17

42° 35°

A wintry mix in the morning

A little rain early; cloudy

67%

Thu

12/18

41° 34°

Cloudy with afternoon rain

Rain

71%

Fri

12/19

39° 32°

Rain mixing with snow

Evening snow showers

73%

Sun & Moon

9 hrs 04 mins
Rise 7:37 AM
Set 4:41 PM
Waning Gibbous
Rise 11:20 PM
Set 2:42 PM

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

Winter Weather

Will cold clipper storms finally bring snow to NYC, Philly and Boston?

6 hours ago

Winter Weather

Lake-effect, dangerous snow squalls to follow midweek storm

1 hour ago

Astronomy

Geminid meteor shower peak to dazzle this weekend

21 hours ago

Winter Weather

Major flooding unleashed by ongoing atmospheric river in Washington

1 hour ago

Winter Weather

Where snow is (and isn’t) piling up this season

2 hours ago

More Stories

Featured Stories

Climate

Underwater ‘storms’ are eating away at the Doomsday Glacier

2 hours ago

Astronomy

Black hole’s feeding frenzy triggers longest cosmic explosion on recor...

2 hours ago

Weather News

Rogue storms and climate chaos unleashed deadly flooding across Asia

1 day ago

Astronomy

New images show an interstellar comet

4 hours ago

Winter Weather

What’s the best direction for your house to face?

16 hours 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

...

...

...