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

St. Catharines, Ontario

25°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Catharines

Ontario

25°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
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

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Thu, Feb 12

Cloudy Hi: 28°

Tonight: Mostly cloudy Lo: 13°

Current Weather

5:25 AM

25°F
RealFeel® 10°
Clear More Details
Wind NW 12 mph
Wind Gusts 18 mph
Air Quality Fair

MINUTECAST®

Periods of snow for at least 60 min

Now
6:25 AM

Looking Ahead

Breezy from tomorrow morning into tomorrow evening

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

6 AM 25°
rain drop 61%
7 AM 24°
rain drop 38%
8 AM 24°
rain drop 32%
9 AM 24°
rain drop 32%
10 AM 24°
rain drop 32%
11 AM 24°
rain drop 32%
12 PM 25°
rain drop 22%
1 PM 25°
rain drop 4%
2 PM 26°
rain drop 4%
3 PM 27°
rain drop 4%
4 PM 28°
rain drop 4%
5 PM 26°
rain drop 4%

10-Day Weather Forecast

Today

2/12

28° 13°

Cloudy

Night: Mostly cloudy
40%

Fri

2/13

32° 28°

Breezy with partial sunshine

Breezy early; mostly cloudy
25%

Sat

2/14

36° 26°

Rather cloudy

Mostly cloudy
5%

Sun

2/15

38° 30°

Low clouds

Partly to mostly cloudy
17%

Mon

2/16

42° 31°

Sun and areas of low clouds

Mainly cloudy
13%

Tue

2/17

41° 35°

Rather cloudy

Increasing amounts of clouds
1%

Wed

2/18

46° 35°

Snow possible in the morning

Mainly clear
35%

Thu

2/19

42° 26°

A little morning rain

Partly cloudy
55%

Fri

2/20

37° 29°

Plenty of sunshine

Partly cloudy
0%

Sat

2/21

37° 31°

Cloudy

Late icy mix; rain and sleet
2%

Sun & Moon

10 hrs 25 mins
Rise 7:19 AM
Set 5:44 PM
Waning Crescent
Rise 4:26 AM
Set 12:38 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 Very High Data is not supported in this location

Top Stories

Weather Forecasts

Even warmer weather awaits central, eastern US later in February

22 minutes ago

Winter Weather

Extreme cold in New York City linked to at least 17 deaths

1 day ago

Winter Weather

More big storms heading for California, West starting in mid-February

21 minutes ago

Recreation

Death Valley could have rare superbloom in 2026

1 day ago

Weather Forecasts

Upcoming Valentine's Day storm to bring drenching rain to southern US

1 hour ago

 More Stories

Featured Stories

Weather News

Gray wolf tracked in Los Angeles County for first time

15 hours ago

Winter Weather

Two boys die after falling through ice in Oklahoma

1 day ago

Astronomy

A snow-rimmed Grand Canyon stands out in astronaut photo

2 days ago

Weather News

Avalanches on Italian mountains claim 13 lives

2 days ago

Astronomy

6 planets, moon will align in February, but there's a catch

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 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 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

...

...

...