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

Thornton, Ontario

34°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Thornton

Ontario

34°
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
Thornton, 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
2
Yellow Watch - Winter Storm

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

February 17 - March 18

Tue 2/17

40° /26°
0%

WinterCast

0.05 - 0.15 in

Wed, 2/18, 1:00 AM - Wed, 2/18, 7:00 AM

Ice

Mainly cloudy
alerts

Yellow Watch - Winter Storm

4:00 AM Wednesday - 12:00 AM Thursday

alerts

Yellow Advisory - Fog

2:36 AM Tuesday - 9:00 AM Tuesday

RealFeel®41°

RealFeel Shade™40°

Max UV Index2.0 (Low)

WindNW 5 mph

Wed 2/18

29° /23°
96%

WinterCast

2 - 4 in

Wed, 2/18, 7:00 AM - Thu, 2/19, 7:00 AM

Snow

0.05 - 0.15 in

Wed, 2/18, 7:00 PM - Thu, 2/19, 7:00 AM

Ice

Colder with 2-4 inches of snow; snow can make roads and sidewalks slippery, causing travel disruptions
alerts

Yellow Watch - Winter Storm

4:00 AM Wednesday - 12:00 AM Thursday

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindE 10 mph

Thu 2/19

32° /19°
5%
Partly sunny

RealFeel®29°

RealFeel Shade™27°

Max UV Index3.0 (Moderate)

WindSE 7 mph

Fri 2/20

34° /28°
95%

WinterCast

1 - 3 in

Fri, 2/20, 11:00 AM - Sat, 2/21, 6:00 AM

Snow

0.05 - 0.15 in

Fri, 2/20, 11:00 AM - Fri, 2/20, 1:00 PM

Ice

Breezy in the morning with snow, sleet and rain at times followed by an inch or two of wet snow in the afternoon

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindESE 13 mph

Sat 2/21

34° /20°
20%
Partly sunny

RealFeel®36°

RealFeel Shade™30°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Sun 2/22

27° /15°
2%
Partly sunny

RealFeel®29°

RealFeel Shade™24°

Max UV Index3.0 (Moderate)

WindN 5 mph

Mon 2/23

20° /2°
21%
Colder with decreasing clouds

RealFeel®12°

RealFeel Shade™10°

Max UV Index3.0 (Moderate)

WindNNW 10 mph

Tue 2/24

15° /7°
0%
Partly sunny and bitterly cold

RealFeel®11°

RealFeel Shade™8°

Max UV Index3.0 (Moderate)

WindW 7 mph

Wed 2/25

33° /30°
70%
Periods of snow; sleet and freezing rain mixed in late; not as cold

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindS 7 mph

Thu 2/26

35° /23°
63%
A mixture of snow and sleet in the morning; considerable cloudiness

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindS 4 mph

Fri 2/27

32° /20°
77%
A thick cloud cover with periods of snow, sleet and rain in the afternoon

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindSSW 6 mph

Sat 2/28

31° /15°
6%
Clouds breaking at times for some sunshine

RealFeel®34°

RealFeel Shade™27°

Max UV Index3.0 (Moderate)

WindW 5 mph

Sun 3/1

28° /18°
2%
Low clouds, then perhaps some sun

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindW 6 mph

Mon 3/2

32° /22°
57%
Cloudy with a little snow

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindNW 16 mph

Tue 3/3

25° /15°
25%
Cloudy and cold

RealFeel®12°

RealFeel Shade™12°

Max UV Index1.0 (Low)

WindWNW 14 mph

Wed 3/4

25° /18°
25%
Cold with times of sun and clouds

RealFeel®15°

RealFeel Shade™12°

Max UV Index4.0 (Moderate)

WindW 14 mph

Thu 3/5

27° /18°
25%
Considerable clouds

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindW 8 mph

Fri 3/6

26° /10°
58%
Occasional snow

RealFeel®17°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindNW 9 mph

Sat 3/7

24° /10°
25%
Cold with clouds and intervals of sunshine

RealFeel®25°

RealFeel Shade™25°

Max UV Index2.0 (Low)

WindWNW 6 mph

Sun 3/8

24° /12°
25%
Cold with considerable cloudiness

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindWNW 8 mph

Mon 3/9

25° /11°
25%
Cloudy and cold

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindWNW 7 mph

Tue 3/10

25° /10°
25%
Remaining cloudy and cold

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindWNW 5 mph

Wed 3/11

26° /11°
5%
Plenty of sunshine

RealFeel®21°

RealFeel Shade™17°

Max UV Index4.0 (Moderate)

WindNNW 9 mph

Thu 3/12

26° /10°
5%
Abundant sunshine

RealFeel®32°

RealFeel Shade™23°

Max UV Index4.0 (Moderate)

WindWNW 5 mph

Fri 3/13

28° /14°
20%
Plenty of sunshine

RealFeel®35°

RealFeel Shade™28°

Max UV Index4.0 (Moderate)

WindWNW 5 mph

Sat 3/14

33° /19°
20%
Mostly sunny

RealFeel®41°

RealFeel Shade™34°

Max UV Index4.0 (Moderate)

WindNNE 4 mph

Sun 3/15

37° /21°
25%
Cloudy

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindNE 5 mph

Mon 3/16

36° /20°
25%
Intervals of clouds and sunshine

RealFeel®48°

RealFeel Shade™40°

Max UV Index4.0 (Moderate)

WindSSE 1 mph

Tue 3/17

38° /23°
25%
A thick cloud cover

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindESE 9 mph

Wed 3/18

39° /28°
75%
Considerable cloudiness; a bit of snow in the morning followed by a mix of snow and rain in the afternoon

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindESE 9 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

California bracing for flooding, pass-closing snow and severe storms

13 hours ago

Travel

Italy’s famous 'lovers’ arch' crashes into the sea on Valentine’s Day

15 hours ago

Weather Forecasts

Record warmth to expand across central, eastern US this week

12 hours ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

14 hours ago

Weather Forecasts

Snow, ice, rain and severe weather coming to central, eastern U.S.

11 hours ago

More Stories

Featured Stories

Recreation

Presidents Day marks first Free National Park day in 2026

17 hours ago

Weather News

What's behind South Carolina’s recent earthquakes

15 hours ago

Weather News

Gray wolf tracked in Los Angeles County for first time

5 days ago

Astronomy

A 'ring of fire' eclipse is coming Feb. 17

19 hours ago

Weather News

99% of Florida is in drought with almost no rain falling in February

3 days ago

World North America Canada Ontario Thornton

Weather Near Thornton:

  • 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

...

...

...