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

Williamsville, Ontario

37°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Williamsville

Ontario

37°
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
Williamsville, 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

Fri, 1/16, 4:00 PM - Sun, 1/18, 6:00 AM

Snow

7 AM

30°
RealFeel® 14°
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 51%
Chevron down
Flurries

WindS 16 mph

Air QualityFair

Wind Gusts29 mph

Humidity67%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling1700 ft

8 AM

31°
RealFeel® 15°
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 52%
Chevron down
Snow

RealFeel Shade™15°

WindS 16 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.15 in

Visibility4 mi

Cloud Ceiling1700 ft

9 AM

32°
RealFeel® 18°
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 44%
Chevron down
Cloudy

RealFeel Shade™18°

WindS 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts27 mph

Humidity83%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling1700 ft

10 AM

33°
RealFeel® 17°
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 59%
Chevron down
Snow

RealFeel Shade™17°

WindSSW 16 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts27 mph

Humidity84%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Snow0.16 in

Visibility4 mi

Cloud Ceiling1700 ft

11 AM

33°
RealFeel® 20°
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

RealFeel Shade™20°

WindSSW 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts25 mph

Humidity84%

Indoor Humidity37% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1700 ft

12 PM

33°
RealFeel® 22°
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 44%
Chevron down
Cloudy

RealFeel Shade™22°

WindSSW 14 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts24 mph

Humidity83%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1700 ft

1 PM

34°
RealFeel® 24°
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™24°

WindSSW 12 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts22 mph

Humidity82%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1600 ft

2 PM

34°
RealFeel® 24°
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™24°

WindSSW 12 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts21 mph

Humidity82%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1600 ft

3 PM

34°
RealFeel® 24°
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™24°

WindSSW 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts21 mph

Humidity84%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling1700 ft

4 PM

34°
RealFeel® 21°
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 52%
Chevron down
Flurries

RealFeel Shade™21°

WindSSW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts21 mph

Humidity85%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Snow0.06 in

Visibility6 mi

Cloud Ceiling1700 ft

5 PM

34°
RealFeel® 21°
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 52%
Chevron down
Flurries

WindSSW 13 mph

Air QualityFair

Wind Gusts22 mph

Humidity85%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Snow0.06 in

Visibility6 mi

Cloud Ceiling1700 ft

6 PM

34°
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 48%
Chevron down
Cloudy

WindSSW 13 mph

Air QualityFair

Wind Gusts23 mph

Humidity84%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1700 ft

7 PM

35°
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 37%
Chevron down
Cloudy

WindSW 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity80%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling6100 ft

8 PM

34°
RealFeel® 17°
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 41%
Chevron down
Flurries

WindSW 16 mph

Air QualityFair

Wind Gusts25 mph

Humidity81%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Snow0.05 in

Visibility7 mi

Cloud Ceiling7000 ft

9 PM

32°
RealFeel® 14°
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 41%
Chevron down
Flurries

WindSW 21 mph

Air QualityFair

Wind Gusts27 mph

Humidity77%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Snow0.06 in

Visibility6 mi

Cloud Ceiling3100 ft

10 PM

31°
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 37%
Chevron down
Cloudy

WindWSW 22 mph

Air QualityFair

Wind Gusts28 mph

Humidity74%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling4500 ft

11 PM

30°
RealFeel® 12°
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 33%
Chevron down
Cloudy

WindWSW 22 mph

Air QualityFair

Wind Gusts30 mph

Humidity73%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3100 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Storm to bring snow from Georgia to North Carolina, graze Northeast

24 minutes ago

Winter Weather

Large storms with snow and ice may be on the horizon for next week

15 hours ago

Climate

Western US faces worsening snow drought, with California the exception

10 hours ago

Winter Weather

Rounds of snow to create hazardous travel from Midwest to Northeast

2 hours ago

Winter Weather

1 dead after 5 pileups on snowy roads in New York, Pennsylvania

17 hours ago

 More Stories

Featured Stories

Climate

Why this famous iceberg turned blue and what it says about melting ice

15 hours ago

Astronomy

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

11 hours ago

Recreation

Death of 2 Florida students highlights risks of sand collapse

1 day ago

Astronomy

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

2 days ago

Recreation

Rare and majestic sand sculptures only exist for minutes

17 hours ago
World North America Canada Ontario Williamsville

Weather Near Williamsville:

  • Gatineau, Quebec
  • Ottawa, Ontario
  • Syracuse, NY
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

...

...

...