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

Sarnia, Ontario

43°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sarnia

Ontario

43°
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
Sarnia, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Saturday, May 2

Day

5/2
44°Hi
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Cold with clouds and sun
alerts

Yellow Advisory - Frost

7:45 AM Friday - 10:00 AM Sunday

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™6 (Medium)

WindN 8 mph

Wind Gusts13 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover60%

Morning

Afternoon

Night

5/2
34°Lo
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Partly cloudy and chilly; freezing temperatures in the normally colder spots
alerts

Yellow Advisory - Frost

7:45 AM Friday - 10:00 AM Sunday

WindS 6 mph

Wind Gusts10 mph

Probability of Precipitation10%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover53%

Evening

Overnight

Sun & Moon

14 hrs 09 mins
Rise 6:22 AM
Set 8:31 PM
Waning Gibbous
Rise 10:04 PM
Set 6:53 AM

Temperature History

5/2
High
Low
Forecast
44°
34°
Average
59°
40°
Last Year
68°
44°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

5 killed in small plane crash in Texas, authorities say

1 hour ago

Winter Weather

Polar vortex aftermath to bring chilly May days to Midwest, Northeast

2 hours ago

Weather News

Camp Mystic halts plans to reopen this summer

6 hours ago

Weather Forecasts

High-altitude storm to bring gusty thunderstorms to California

3 hours ago

Weather Forecasts

Rain to douse southern U.S. wildfire risk, ease drought into weekend

2 hours ago

 More Stories

Featured Stories

Astronomy

May's biggest astronomy events include shooting stars, rare Blue Moon

4 hours ago

Recreation

Watch: Yellowstone hot spring erupts twice in 2 days

4 hours ago

Severe Weather

First tornado in nearly 2 years confirmed in West Virginia

4 hours ago

Astronomy

SpaceX rocket debris is on a collision course with the moon

1 day ago

Severe Weather

Texas police rescue mom from surging floodwater using jumper cables

1 day ago
World North America Canada Ontario Sarnia

Weather Near Sarnia:

  • Detroit, MI
  • London, Ontario
  • Windsor, 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

...

...

...