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

Ancaster, Ontario

10°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ancaster

Ontario

10°
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

Tonight's Weather

Thu, Jan 15

Partly cloudy Lo: 10°

Tomorrow: Rather cloudy, breezy and not as cold with intermittent snow and flurries in the afternoon with little or no accumulation Hi: 30°

Current Weather

7:02 PM

10°F
RealFeel® 6°
Partly cloudy More Details
Wind NNW 5 mph
Wind Gusts 13 mph
Air Quality Fair

Looking Ahead

Snowfall from tomorrow afternoon into Saturday morning will total 1-2 inches

WinterCast®

Fri Afternoon - Sat Afternoon

Snow

Lasting 22 hours

Ancaster Weather Radar

Ancaster 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

8 PM 13°
rain drop 0%
9 PM 13°
rain drop 0%
10 PM 13°
rain drop 0%
11 PM 14°
rain drop 0%
12 AM 14°
rain drop 0%
1 AM 13°
rain drop 0%
2 AM 13°
rain drop 0%
3 AM 13°
rain drop 0%
4 AM 13°
rain drop 0%
5 AM 13°
rain drop 0%
6 AM 11°
rain drop 0%
7 AM 10°
rain drop 0%

10-Day Weather Forecast

Tonight

1/15

10° Lo

Partly cloudy

4%

Fri

1/16

30° 27°

A little snow in the p.m.

Night: A little snow; breezy early
68%

Sat

1/17

34° 19°

A little snow, up to 1"

Cloudy with some snow
80%

Sun

1/18

24° 15°

Colder with low clouds

Some evening snow; cloudy
25%

Mon

1/19

20° 3°

A little snow in the morning

A little snow; windy, colder
65%

Tue

1/20

11° 4°

Partly sunny and frigid

Partly cloudy and cold
18%

Wed

1/21

26° 18°

A little snow; not as cold

Breezy; some evening snow
55%

Thu

1/22

23° 15°

Cold with some sun

Cloudy with late-night snow
12%

Fri

1/23

24° 18°

Rather cloudy and cold

Cloudy
15%

Sat

1/24

24° 12°

Cloudy and cold

Partly cloudy
14%

Sun & Moon

9 hrs 21 mins
Rise 7:49 AM
Set 5:10 PM
Waning Crescent
Rise 5:44 AM
Set 1:59 PM

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 High Data is not supported in this location

Top Stories

Winter Weather

Rounds of snow to create hazardous travel from Midwest to Northeast

40 minutes ago

Winter Weather

Florida’s cold snap can cause iguanas to fall, here's why

7 hours ago

Astronomy

Crew-11 astronauts splash down off California after medical evacuation

10 hours ago

Weather Forecasts

Florida to have freezing weather as temperatures tumble in Southeast

2 hours ago

Winter Weather

Weekend storm to bring snow to part of U.S. East Coast

2 hours ago

 More Stories

Featured Stories

Astronomy

NASA to roll out Artemis II rocket ahead of astronaut moon launch

1 day ago

Recreation

Death of 2 Florida students highlights risks of sand collapse

5 hours ago

Astronomy

March’s total lunar eclipse will turn the moon red, here’s when to see...

1 day ago

How to shoot the northern lights on your phone

1 day ago 1:34

Winter Weather

Avalanches in Washington, Wyoming turn deadly

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 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
© 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

...

...

...