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

St. Catharines, Ontario

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Catharines

Ontario

50°
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
Help
St. Catharines, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Thu, May 7

Intervals of clouds and sunshine with a couple of showers, mainly early; cool Hi: 52°

Tonight: A stray shower this evening; otherwise, partly cloudy Lo: 38°

Current Weather

12:50 PM

50°F
RealFeel® 62°
Mostly cloudy More Details
RealFeel Shade™ 48°
Wind N 6 mph
Wind Gusts 6 mph
Air Quality Fair

MINUTECAST®

Rain starting in 37 min

Now
1:50 PM

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 51°
rain drop 19%
2 PM 52°
rain drop 17%
3 PM 52°
rain drop 17%
4 PM 52°
rain drop 22%
5 PM 51°
rain drop 34%
6 PM 50°
rain drop 37%
7 PM 49°
rain drop 40%
8 PM 46°
rain drop 41%
9 PM 44°
rain drop 47%
10 PM 44°
rain drop 51%
11 PM 43°
rain drop 36%
12 AM 42°
rain drop 30%

10-Day Weather Forecast

Today

5/7

52° 38°

A couple of showers

Night: A shower early; partly cloudy

82%

Fri

5/8

56° 43°

A couple of showers

Mostly cloudy

84%

Sat

5/9

61° 46°

A couple of showers

A shower early; partly cloudy

84%

Sun

5/10

56° 41°

A shower in the a.m.; cloudy

Partly cloudy, showers around

55%

Mon

5/11

53° 37°

Partly sunny and cool

Mainly clear

11%

Tue

5/12

52° 42°

Mostly sunny and cool

Mostly cloudy

5%

Wed

5/13

53° 41°

Intervals of clouds and sun

Partly cloudy

2%

Thu

5/14

57° 44°

Clouds and sun

Partly cloudy

1%

Fri

5/15

60° 48°

Cloudy

Rain at times

15%

Sat

5/16

61° 47°

Showers around in the morning

A bit of evening rain

58%

Sun & Moon

14 hrs 23 mins
Rise 6:02 AM
Set 8:25 PM
Waning Gibbous
Rise 1:23 AM
Set 10:03 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 Moderate Data is not supported in this location

Top Stories

Severe Weather

17 injured, 300 homes damaged after tornado outbreak in Mississippi

26 minutes ago

Severe Weather

Severe storms to rattle southern US in first full week of May

7 hours ago

Severe Weather

How one of the internet's most famous weather videos was captured

21 hours ago

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

1 day ago

Weather Forecasts

From 80s to frost: Temperature rollercoaster in Northeast, Midwest

6 hours ago

More Stories

Featured Stories

Weather News

Meet the first bald eagle born in Chicago in over 100 years

2 hours ago

Severe Weather

This state leads the nation for tornado reports in 2026

2 days ago

Recreation

Bear attack injures 2 hikers in Yellowstone National Park

2 days ago

Weather News

Smoke, flames fill Arizona sky as Hazen Fire burns near Phoenix

1 day ago

Weather News

Tow truck driver goes viral after rescuing moose stuck in ice

21 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 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

...

...

...