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

St. Thomas, Ontario

69°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Thomas

Ontario

69°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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. Thomas, 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, Jun 18

Windy with variable cloudiness; a couple of morning showers and a thunderstorm followed by a brief shower or two this afternoon Hi: 71°

Tonight: A crystal-clear sky Lo: 52°

Current Weather

1:53 PM

69°F
RealFeel® 69°
Cloudy More Details
RealFeel Shade™ 65°
Wind W 11 mph
Wind Gusts 19 mph
Air Quality Fair

St. Thomas Weather Radar

St. Thomas 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

2 PM 69°
rain drop 43%
3 PM 69°
rain drop 47%
4 PM 69°
rain drop 51%
5 PM 67°
rain drop 40%
6 PM 66°
rain drop 34%
7 PM 64°
rain drop 22%
8 PM 64°
rain drop 0%
9 PM 63°
rain drop 0%
10 PM 62°
rain drop 0%
11 PM 60°
rain drop 0%
12 AM 59°
rain drop 0%
1 AM 58°
rain drop 0%

10-Day Weather Forecast

Today

6/18

71° 52°

A shower and thunderstorm

Night: A crystal-clear sky

96%

Fri

6/19

72° 50°

A couple of afternoon showers

Clear to partly cloudy

60%

Sat

6/20

71° 50°

An afternoon thundershower

Mainly clear

55%

Sun

6/21

72° 54°

Some sun, then turning cloudy

Some clouds with rain late

25%

Mon

6/22

71° 49°

Rain; breezy in the morning

A crystal-clear sky

94%

Tue

6/23

69° 54°

Mostly sunny

A crystal-clear sky

1%

Wed

6/24

69° 55°

A bit of afternoon rain

Partly cloudy

55%

Thu

6/25

70° 59°

Mostly cloudy, a few showers

Increasing clouds

75%

Fri

6/26

73° 60°

Decreasing clouds

Clear

23%

Sat

6/27

73° 62°

A few afternoon showers

Occasional evening rain

58%

Sun & Moon

15 hrs 20 mins
Rise 5:46 AM
Set 9:06 PM
Waxing Crescent
Rise 9:44 AM
Set 12:14 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 Low Data is not supported in this location

Top Stories

Hurricane

Arthur raises risk of life-threatening flooding across Gulf Coast

1 hour ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

18 minutes ago

Severe Weather

Severe storms to deliver strong winds, flash flooding on Thursday

1 hour ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

9 minutes ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Arthur brings rain to Atlanta, forcing World Cup fan festival to close early

40 minutes ago

More Stories

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

2 hours ago

Recreation

Black bear injures teen on Washington trail

1 hour ago

Astronomy

Meteorological summer vs. astronomical summer explained

5 hours ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

1 day ago

Health

Pickle is the pumpkin spice of summer

2 days ago

World North America Canada Ontario St. Thomas

Weather Near St. Thomas:

  • Cleveland, OH
  • Hamilton, Ontario
  • London, 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

...

...

...