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

Chelmsford, Ontario

28°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Chelmsford

Ontario

28°
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
Chelmsford, 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

A coating to an inch

Tue, 3/24, 5:00 AM - Tue, 3/24, 7:00 PM

Snow

5 PM

28°
RealFeel® 9°
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 40%
Chevron down
Flurries

RealFeel Shade™9°

WindN 20 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts36 mph

Humidity84%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Snow0.10 in

Visibility10 mi

Cloud Ceiling3000 ft

6 PM

27°
RealFeel® 9°
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 37%
Chevron down
Cloudy

RealFeel Shade™9°

WindN 20 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts33 mph

Humidity78%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2300 ft

7 PM

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 22%
Chevron down
Cloudy

RealFeel Shade™7°

WindNNE 18 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts31 mph

Humidity76%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2400 ft

8 PM

26°
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 0%
Chevron down
Cloudy

WindNNE 13 mph

Air QualityFair

Wind Gusts20 mph

Humidity75%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2500 ft

9 PM

24°
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 0%
Chevron down
Mostly cloudy

WindNNE 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity79%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling2500 ft

10 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 0%
Chevron down
Mostly cloudy

WindNNE 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity80%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling3200 ft

11 PM

21°
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 0%
Chevron down
Mostly cloudy

WindNNE 13 mph

Air QualityFair

Wind Gusts17 mph

Humidity81%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling3200 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Record-breaking heat in the West to resurge this week

3 hours ago

Winter Weather

300 inches of snow: East beats West during upside-down winter

2 days ago

Weather Forecasts

Temperature roller coaster ahead for the Midwest, Northeast

1 hour ago

Hurricane

Category 1 Tropical Cyclone Narelle strikes Australia

1 hour ago

Weather Forecasts

Hawaii braces for second Kona storm in a week with renewed flooding

1 hour ago

More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

2 days ago

Climate

Monarch population rises in Mexico, but California numbers drop

2 days ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

2 days ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

2 days ago

Recreation

Top 10 National Parks of 2025 revealed

3 days ago

World North America Canada Ontario Chelmsford

Weather Near Chelmsford:

  • Barrie, Ontario
  • Greater Sudbury, Ontario
  • Rouyn-Noranda, Quebec
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

...

...

...