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

Ancaster, Ontario

78°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ancaster

Ontario

78°
No results found.
Try searching for a city, zip code or point of interest.
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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today

Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Today's Weather

Mon, Jun 30

Humid; a morning shower or two, then a thunderstorm in spots; thunderstorms can bring localized damaging wind gusts, hail and flooding downpours Hi: 83°

Tonight: A couple of evening showers and a thunderstorm; otherwise, cloudy, warm and humid Lo: 69°

Current Weather

6:14 PM

78°F
RealFeel® 79°
Cloudy More Details
RealFeel Shade™ 79°
Wind SSW 3 mph
Wind Gusts 6 mph
Air Quality Fair

MINUTECAST™

Periods of rain ending in 42 min

Now
7:14 PM

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

7 PM 78°
rain drop 44%
8 PM 76°
rain drop 44%
9 PM 74°
rain drop 47%
10 PM 74°
rain drop 51%
11 PM 72°
rain drop 51%
12 AM 71°
rain drop 47%
1 AM 71°
rain drop 36%
2 AM 71°
rain drop 20%
3 AM 70°
rain drop 20%
4 AM 70°
rain drop 20%
5 AM 70°
rain drop 20%
6 AM 70°
rain drop 20%

10-Day Weather Forecast

Today

6/30

83° 69°

A stray afternoon t-storm

Night: A shower and t-storm early

70%

Tue

7/1

84° 62°

Humid; a shower in the a.m.

Clear

60%

Wed

7/2

83° 64°

Partly sunny

Partly cloudy

25%

Thu

7/3

80° 55°

A shower in the morning

Clear

55%

Fri

7/4

81° 66°

Partly sunny

Clear

0%

Sat

7/5

86° 70°

A t-storm around in the p.m.

Some clouds; warm

40%

Sun

7/6

88° 66°

An afternoon t-storm or two

Partly cloudy and humid

65%

Mon

7/7

80° 63°

A t-storm around in the a.m.

Partly cloudy

40%

Tue

7/8

79° 64°

An afternoon shower in spots

A thunderstorm or two early

41%

Wed

7/9

80° 63°

Mostly sunny and humid

Mainly clear

3%

Sun & Moon

15 hrs 21 mins
Rise 5:43 AM
Set 9:04 PM
Waxing Crescent
Rise 11:24 AM
Set 12:22 AM

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

Weather News

Severe thunderstorms to threaten central and eastern US

2 hours ago

Astronomy

July offers rare meteor shower combo, stunning views of the Milky Way

4 days ago

Weather News

Tropical trouble could stir near Southeast beaches around 4th of July

2 hours ago

Travel

A mother thought her baby was blown out of a plane

3 days ago

Weather News

Flights cancelled as Atlanta airport recovers from severe weather

1 day ago

More Stories

Featured Stories

Weather News

AccuWeather joins Perplexity to power AI weather answers

4 days ago

Travel

A mother thought her baby was blown out of a plane

3 days ago

Weather News

Fossil reveals ‘Last of Us’-type fungus likely lived with dinosaurs

5 days ago

Climate

Your AI prompts could have a hidden environmental cost

1 week ago

Weather News

World’s most liveable city for 2025 revealed

6 days 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
© 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

...

...

...