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

Sylvan, Ontario

30°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sylvan

Ontario

30°
No results found.
Try searching for a city, zip code or point of interest.
settings
Sylvan, 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
Monday, December 29

Day

12/29
31°Hi
RealFeel® 13°
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
RealFeel Shade™ 13°
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
Winds gusting past 45 mph; cloudy and colder with snow showers, accumulating a coating to an inch; winds will be locally damaging
alerts

Yellow Warning - Rainfall

5:00 AM Sunday - 8:00 AM Monday
alerts

Special Weather Statement

7:00 AM Monday - 1:00 AM Tuesday

Max UV Index0.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindW 31 mph

Wind Gusts56 mph

Probability of Precipitation95%

Probability of Thunderstorms0%

Precipitation0.05 in

Snow0.9

Hours of Precipitation7

Cloud Cover100%

Morning

Afternoon

Night

12/29
19°Lo
RealFeel® -8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Winds gusting past 45 mph, lake-effect snow and intense squalls; storm total snowfall 1-3 inches
alerts

Special Weather Statement

7:00 AM Monday - 1:00 AM Tuesday

WindWNW 31 mph

Wind Gusts56 mph

Probability of Precipitation96%

Probability of Thunderstorms0%

Precipitation0.08 in

Snow1.6

Hours of Precipitation6

Cloud Cover99%

Evening

Overnight

Sun & Moon

9 hrs 02 mins
Rise 7:59 AM
Set 5:01 PM
Waxing Gibbous
Rise 12:50 PM
Set 3:45 AM

Temperature History

12/29
High
Low
Forecast
31°
19°
Average
32°
19°
Last Year
44°
39°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Bomb storm to bring blizzard conditions, ice to Great Lakes, Northeast

9 hours ago

Weather News

Flight cancellations pile up as snowstorm jams post-Christmas travel

17 hours ago

Winter Weather

Arctic cold to surge in waves behind Monday's bomb cyclone

25 minutes ago

Weather News

Top 10 weather events of 2025 that smashed records

1 day ago

Weather Forecasts

New Year's forecast: Snow for Great Lakes, Northeast; Drier in Cali

12 hours ago

 More Stories

Featured Stories

Health

CDC links raw oysters to 64 salmonella cases in 22 states

1 day ago

Recreation

Hiker’s body recovered from California's tallest mountain after storms

3 days ago

Astronomy

The upsidedown moon: Why the moon looks odd on the other side of the w...

1 day ago

Health

Traveler might have exposed many to measles in Massachusetts

2 days ago

Recreation

Big Bend National Park asks visitors to stop treating it like a ‘trash...

3 days ago
World North America Canada Ontario Sylvan

Weather Near Sylvan:

  • Cleveland, OH
  • Detroit, MI
  • 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 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

...

...

...