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

Grand Valley, Ontario

13°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grand Valley

Ontario

13°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Grand Valley, 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

An inch or two

Fri, 3/13, 9:00 AM - Sat, 3/14, 1:00 AM

Snow

3 AM

12°
RealFeel® 7°
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 7%
Chevron down
Partly cloudy

WindSSW 6 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity100%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

14°
RealFeel® 6°
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 7%
Chevron down
Intermittent clouds

WindS 7 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity100%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling7000 ft

5 AM

16°
RealFeel® 6°
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 7%
Chevron down
Intermittent clouds

WindSSE 8 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity96%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling7000 ft

6 AM

18°
RealFeel® 6°
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 7%
Chevron down
Mostly cloudy

WindSSE 10 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity90%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling7000 ft

7 AM

20°
RealFeel® 7°
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 10%
Chevron down
Cloudy

WindSSE 12 mph

Air QualityFair

Wind Gusts20 mph

Humidity83%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7000 ft

8 AM

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 49%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™8°

WindSSE 14 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts23 mph

Humidity80%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4000 ft

9 AM

24°
RealFeel® 7°
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 61%
Chevron down
Snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™7°

WindSSE 15 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts28 mph

Humidity77%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.27 in

Visibility3 mi

Cloud Ceiling2000 ft

10 AM

26°
RealFeel® 7°
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 62%
Chevron down
Snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™7°

WindSE 17 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts32 mph

Humidity79%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.27 in

Visibility3 mi

Cloud Ceiling2800 ft

11 AM

27°
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 69%
Chevron down
Snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™8°

WindSE 20 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts37 mph

Humidity81%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.27 in

Visibility3 mi

Cloud Ceiling2700 ft

12 PM

28°
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 70%
Chevron down
Snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™8°

WindSE 21 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts36 mph

Humidity82%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.27 in

Visibility3 mi

Cloud Ceiling2700 ft

1 PM

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 49%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™14°

WindSSE 21 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts33 mph

Humidity82%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

2 PM

31°
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 34%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™12°

WindSSE 29 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts48 mph

Humidity82%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

3 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 34%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™14°

WindS 27 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts48 mph

Humidity84%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

4 PM

33°
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 40%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™15°

WindSSW 25 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts48 mph

Humidity84%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

5 PM

34°
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 60%
Chevron down
Rain and snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™15°

WindSW 23 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts46 mph

Humidity83%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Snowtrace

Visibility6 mi

Cloud Ceiling2600 ft

6 PM

33°
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 60%
Chevron down
Rain and snow
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™14°

WindSW 23 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts45 mph

Humidity87%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Snowtrace

Visibility6 mi

Cloud Ceiling2600 ft

7 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 49%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

RealFeel Shade™14°

WindWSW 23 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts54 mph

Humidity87%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

8 PM

32°
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 52%
Chevron down
Flurries
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

WindWSW 22 mph

Air QualityFair

Wind Gusts43 mph

Humidity86%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.05 in

Visibility3 mi

Cloud Ceiling2600 ft

9 PM

31°
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 48%
Chevron down
Flurries
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

WindWSW 22 mph

Air QualityFair

Wind Gusts43 mph

Humidity87%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility2 mi

Cloud Ceiling2700 ft

10 PM

31°
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 44%
Chevron down
Cloudy
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

WindWSW 22 mph

Air QualityFair

Wind Gusts41 mph

Humidity86%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2700 ft

11 PM

30°
RealFeel® 10°
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
alerts

Special Weather Statement

8:00 AM Friday - 6:00 AM Saturday

WindWSW 22 mph

Air QualityFair

Wind Gusts41 mph

Humidity85%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.05 in

Visibility3 mi

Cloud Ceiling2700 ft

Further Ahead

Tomorrow

Sunday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Explosive March storm to impact 200 million, feature Midwest blizzard

6 hours ago

Severe Weather

Severe weather outbreak turns deadly with EF3 tornado, record hail

16 hours ago

Severe Weather

Grapefruit-sized hailstone may set state record

1 day ago

Climate

What to know about the potential for a super El Niño later this year

14 hours ago

Weather Forecasts

Storms to dump heavy rain, snow on Washington as California bakes

11 hours ago

More Stories

Featured Stories

Winter Weather

Nine states had their warmest winter ever recorded

1 day ago

Weather News

'Doomsday fish' rescued after washing ashore in Mexico

12 hours ago

Recreation

'Quicksand alert' issued at National Park Service site

1 day ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

2 days ago

Health

Produce from nation’s largest supplier contains ‘forever’ pesticides

1 day ago

World North America Canada Ontario Grand Valley

Weather Near Grand Valley:

  • 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 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

...

...

...