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

Alliston, Ontario

36°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Alliston

Ontario

36°
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
Alliston, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

1 - 3 in

Wed, 1/14, 7:00 AM - Thu, 1/15, 10:00 AM

Snow

10 AM

36°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 64%
Chevron down
Rain and snow

RealFeel Shade™31°

WindWNW 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts16 mph

Humidity88%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling2000 ft

11 AM

36°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™29°

WindWNW 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts17 mph

Humidity80%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Rain0.02 in

Visibility6 mi

Cloud Ceiling2000 ft

12 PM

35°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™28°

WindWNW 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts17 mph

Humidity75%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling2000 ft

1 PM

34°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™26°

WindWNW 10 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts17 mph

Humidity72%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2000 ft

2 PM

32°
RealFeel® 23°
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
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™23°

WindWNW 12 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling2000 ft

3 PM

30°
RealFeel® 19°
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
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™19°

WindNW 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts21 mph

Humidity72%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling2000 ft

4 PM

28°
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
rain drop 61%
Chevron down
Snow

RealFeel Shade™13°

WindNW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts23 mph

Humidity73%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.28 in

Visibility3 mi

Cloud Ceiling2100 ft

5 PM

26°
RealFeel® 11°
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
rain drop 60%
Chevron down
Snow

RealFeel Shade™11°

WindNW 12 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts24 mph

Humidity73%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.28 in

Visibility3 mi

Cloud Ceiling2100 ft

6 PM

24°
RealFeel® 11°
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
rain drop 49%
Chevron down
Cloudy

WindNNW 13 mph

Air QualityFair

Wind Gusts24 mph

Humidity75%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2100 ft

7 PM

22°
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
rain drop 41%
Chevron down
Cloudy

WindNNW 13 mph

Air QualityFair

Wind Gusts25 mph

Humidity75%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1400 ft

8 PM

19°
RealFeel® 3°
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
rain drop 45%
Chevron down
Flurries

WindNNW 13 mph

Air QualityFair

Wind Gusts25 mph

Humidity76%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling1400 ft

9 PM

17°
RealFeel® 1°
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
rain drop 45%
Chevron down
Flurries

WindNNW 13 mph

Air QualityFair

Wind Gusts27 mph

Humidity76%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling1400 ft

10 PM

16°
RealFeel® -1°
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
rain drop 41%
Chevron down
Cloudy

WindNNW 13 mph

Air QualityFair

Wind Gusts28 mph

Humidity75%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1400 ft

11 PM

13°
RealFeel® -3°
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
rain drop 41%
Chevron down
Cloudy

WindNNW 13 mph

Air QualityFair

Wind Gusts29 mph

Humidity77%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1400 ft

Further Ahead

Tomorrow

Friday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Snow returns with colder air in northeastern US beyond midweek

3 hours ago

Weather Forecasts

Florida to have freezing weather as temperatures tumble in Southeast

3 hours ago

Astronomy

Crew-11 astronauts set for early return as NASA eyes California weathe...

19 hours ago

Winter Weather

Polar vortex to usher in much colder air to central and eastern US

1 hour ago

Winter Weather

January Thaw: The midwinter warmup that makes it feel like spring

1 day ago

 More Stories

Featured Stories

Weather News

Kilauea’s latest eruption sent lava 800 feet high

22 hours ago

Astronomy

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

59 minutes ago
Live Blog

Lightning over Milan, like you've never seen it

LATEST ENTRY

ISS astronaut captures surreal photo of lightning and Milan at night

1 day ago

Weather News

Wildfires scorch up to 52,000 acres in Argentina's Patagonia

23 hours ago

Weather News

Japan dives into New Year with prayers and an icy plunge

1 day ago
World North America Canada Ontario Alliston

Weather Near Alliston:

  • Brampton, 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

...

...

...