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

Sarnia, Ontario

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sarnia

Ontario

50°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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

Today's Weather

Thu, Oct 29

Breezy this morning; otherwise, warm with sun followed by increasing clouds with a couple of showers this afternoon Hi: 70°

Tonight: A passing evening shower; otherwise, clearing Lo: 45°

Current Weather

6:04 AM

50°F
RealFeel® 47°
Clear More Details
Wind SSW 7 mph
Wind Gusts 7 mph
Air Quality Poor

Sarnia Weather Radar

Sarnia Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

7 AM 50°
rain drop 2%
8 AM 53°
rain drop 7%
9 AM 56°
rain drop 7%
10 AM 60°
rain drop 6%
11 AM 64°
rain drop 5%
12 PM 66°
rain drop 5%
1 PM 68°
rain drop 8%
2 PM 70°
rain drop 59%
3 PM 69°
rain drop 59%
4 PM 68°
rain drop 49%
5 PM 66°
rain drop 25%
6 PM 63°
rain drop 25%

10-Day Weather Forecast

Today

10/29

70° 45°

A couple of afternoon showers

Night: A shower early; clearing

69%

Fri

10/30

56° 37°

Cooler

Turning cloudy

1%

Sat

10/31

59° 46°

Mostly cloudy

Cloudy

3%

Sun

11/1

65° 48°

Mostly cloudy

Mostly cloudy

2%

Mon

11/2

66° 53°

Sun through high clouds

Cloudy and becoming rainy

12%

Tue

11/3

62° 50°

A couple of showers possible

Cloudy with a bit of rain

30%

Wed

11/4

60° 46°

Cloudy with a bit of rain

Cloudy with rain late

55%

Thu

11/5

58° 43°

Cloudy, rain

Rain becoming intermittent

80%

Fri

11/6

51° 41°

Shifting clouds and sun

Rain becoming steadier

9%

Sat

11/7

54° 39°

Cloudy with occasional rain

Rain most of the time

55%

Sun & Moon

10 hrs 26 mins
Rise 8:00 AM
Set 6:26 PM
Waning Gibbous
Rise 8:56 PM
Set 1:26 PM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Dust & Dander High Data is not supported in this location

Top Stories

Weather Forecasts

Pineapple Express to troll Southwest with heavy rain Halloween weekend

23 minutes ago

Travel

Erosion threatens California’s PCH as Newsom orders El Niño preps

17 hours ago

Weather Forecasts

Halloween trick or treat weather troublespots; western, central U.S.

1 hour ago

Hurricane

Tropical Rainstorm Olana threatens Hawaii with dangerous flooding

41 minutes ago

Weather Forecasts

Election Day weather: Rain, storms could complicate trips to polls

35 minutes ago

More Stories

Featured Stories

Weather News

Florida, California have record coastal flooding after King tide

12 hours ago

Weather News

Drought uncovers Colorado historic highway as water reservoir shrinks

17 hours ago

Recreation

Search underway for 2 Colorado college students missing after hike

15 hours ago

Weather News

Wind pushes cruise ship into 2 container vessels at German port

1 day ago

Hurricane

One year after Hurricane Melissa, parts of Jamaica are still devastate...

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

...

...

...