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

Mar, Ontario

21°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mar

Ontario

21°
No results found.
Try searching for a city, zip code or point of interest.
settings
Mar, 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
Tuesday, December 23

Day

12/23
37°Hi
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel Shade™ 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
A little rain in the morning; otherwise, cloudy

Max UV Index1.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindSW 8 mph

Wind Gusts27 mph

Probability of Precipitation49%

Probability of Thunderstorms0%

Precipitation0.01 in

Rain0.01 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover96%

Morning

Afternoon

Night

12/23
23°Lo
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Mostly cloudy

WindWNW 10 mph

Wind Gusts31 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover86%

Evening

Overnight

Sun & Moon

8 hrs 48 mins
Rise 8:00 AM
Set 4:48 PM
Waxing Crescent
Rise 10:39 AM
Set 8:21 PM

Temperature History

12/23
High
Low
Forecast
37°
23°
Average
28°
16°
Last Year
31°
17°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Northeastern US to get a mixed bag of snow, ice and rain this week

1 hour ago

Weather Forecasts

Christmas week US travelers to face stormy weather on West Coast

17 hours ago

Weather News

Largest wildlife overpass in North America opens across 6-lane highway

2 days ago

Severe Weather

2nd atmospheric river to flood California with firehose of rain

2 hours ago

Winter Weather

What are the snowiest cities in the US?

20 hours ago

 More Stories

Featured Stories

Weather News


Los Angeles wildfires linked to spike in heart, lung emergencies

2 days ago

Astronomy

Satellite ‘Crash Clock’ shows orbit 2.8 days from potential disaster

5 days ago

Weather News

Why the weirdest sea level changes on Earth are happening off the coas...

3 days ago

Weather News

Is it safe to eat snow? Here's what the science says

4 days ago

Astronomy

Interstellar comet 3I/ATLAS swings by Earth this week

2 days ago
World North America Canada Ontario Mar

Weather Near Mar:

  • Brampton, Ontario
  • Hamilton, Ontario
  • Mississauga Valley, 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

...

...

...