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

Chelmsford, Ontario

17°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Chelmsford

Ontario

17°
No results found.
Try searching for a city, zip code or point of interest.
settings
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
Wednesday, December 24

Day

12/24
18°Hi
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
RealFeel Shade™ 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
Some sun, then increasing clouds and colder; flurries this afternoon

Max UV Index1.0 (Low)

AccuLumen Brightness Index™5 (Medium)

WindW 6 mph

Wind Gusts13 mph

Probability of Precipitation65%

Probability of Thunderstorms0%

Precipitation0.00 in

Snow0.1

Hours of Precipitation4

Cloud Cover59%

Morning

Afternoon

Night

12/24
8°Lo
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
Cloudy

WindWSW 7 mph

Wind Gusts18 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover98%

Evening

Overnight

Sun & Moon

8 hrs 35 mins
Rise 8:06 AM
Set 4:41 PM
Waxing Crescent
Rise 11:06 AM
Set 9:28 PM

Temperature History

12/24
High
Low
Forecast
18°
8°
Average
21°
5°
Last Year
23°
3°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Dangerous storm to flood California before Christmas

46 minutes ago

Winter Weather

Late-week snowstorm looms for part of Northeast, including NYC

1 hour ago

Weather News

State of emergency issued in Southern California as storm blasts state

52 minutes ago

Winter Weather

Arctic blast to bring waves of dangerous cold to Midwest, Northeast

42 minutes ago

Weather Forecasts

Warmest Christmas on record likely in part of US

6 hours ago

 More Stories

Featured Stories

Recreation

Hiker’s body recovered from California's tallest mountain after storms

6 hours ago

Recreation

Big Bend National Park asks visitors to stop treating it like a ‘trash...

9 hours ago

Astronomy

The upsidedown moon: Why the moon looks odd on the other side of the w...

1 day ago

Weather News

NPS seeking tips to help find missing 26-year-old woman

2 days ago

Astronomy

These are the top 3 astronomy stories of 2025

2 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 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 | Data Sources

...

...

...