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

Ancaster, Ontario

18°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ancaster

Ontario

18°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Ancaster, 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
Thursday, January 22

Current Weather

9:05 PM

18°F
Mostly cloudy
RealFeel® 4°
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
RealFeel®
4°
Wind
SW 12 mph
Wind Gusts
17 mph
Humidity
78%
Indoor Humidity
26% (Very Dry)
Dew Point
13° F
Pressure
↔ 30.10 in
Cloud Cover
76%
Visibility
21 mi
Cloud Ceiling
40000 ft

Night

1/22
7°Lo
RealFeel® -11°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Mostly cloudy, breezy and colder with snow flurries

WindWSW 15 mph

Wind Gusts31 mph

Probability of Precipitation97%

Probability of Thunderstorms0%

Precipitation0.01 in

Snow0.06 in

Hours of Precipitation6

Cloud Cover66%

Evening

Overnight

Sun & Moon

9 hrs 34 mins
Rise 7:45 AM
Set 5:19 PM
Waxing Crescent
Rise 9:42 AM
Set 9:41 PM

Temperature History

1/22
High
Low
Forecast
29°
7°
Average
31°
15°
Last Year
16°
-3°
Record
50°
1967
-16°
1976

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Ice storm threatens Texas to Virginia with massive power outages

1 hour ago

Weather News

Salt Lake City rocked by magnitude 4.7 earthquake

9 hours ago

Winter Weather

Massive snowstorm to bury areas from Oklahoma City to NYC, Boston

1 hour ago

Winter Weather

Texas braces for major winter storm with cold not seen since 2021

6 hours ago

Winter Weather

Severe cold may lead to days of dangerous conditions

1 hour ago

 More Stories

Featured Stories

Astronomy

Webb reveals stunning new lava-like details inside Helix Nebula

7 hours ago

Weather News

Deadly wildfires burned across southern Chile amid extreme heat and wi...

2 days ago

Astronomy

NASA astronaut Suni Williams retires months after return from troubled...

1 day ago

Weather News

Four shark attacks in two days. Why Australia’s beaches are dangerous

2 days ago

Travel

Second rail tragedy rocks Spain, as passenger train derails

1 day ago
World North America Canada Ontario Ancaster

Weather Near Ancaster:

  • Hamilton, 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

...

...

...