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

Sarnia, Ontario

63°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sarnia

Ontario

63°
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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 PM

67°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™65°

WindSW 12 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts14 mph

Humidity85%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10100 ft

1 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 74%
Chevron down
Rain

RealFeel Shade™61°

WindWSW 10 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts13 mph

Humidity88%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

2 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms

RealFeel Shade™61°

WindWSW 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity88%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling2000 ft

3 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms

RealFeel Shade™61°

WindWSW 10 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts14 mph

Humidity88%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling3900 ft

4 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™63°

WindWSW 10 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts14 mph

Humidity87%

Indoor Humidity81% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling10300 ft

5 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™64°

WindWSW 10 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts14 mph

Humidity84%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14600 ft

6 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™64°

WindSW 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity83%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14600 ft

7 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Cloudy

RealFeel Shade™64°

WindSSW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity84%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14600 ft

8 PM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™61°

WindS 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity95%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

62°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 65%
Chevron down
Thunderstorms

WindS 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity96%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.16 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

61°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 65%
Chevron down
Thunderstorms

WindS 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity98%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.16 in

Visibility4 mi

Cloud Ceiling2000 ft

11 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindS 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity100%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7000 ft

Hourly Weather Forecast for Sarnia

AccuWeather's hourly forecast for Sarnia provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 67° with a RealFeel® of 67°, cloudy with a 49% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms and flooding continue into the weekend

1 hour ago

Weather News

75-car pile up on snowy I-70 in Colorado shuts down mountain corridor

1 hour ago

Hurricane

Super Typhoon Sinlaku poses a serious threat to Guam

42 minutes ago

Weather News

River flooding, possible dam failure threatens Wisconsin, Michigan

19 hours ago

Winter Weather

'Cold storm' with snow to push across western U.S. into Friday

2 hours ago

 More Stories

Featured Stories

Weather News

Magnitude 5.7 earthquake rattles Nevada, California

20 hours ago

Astronomy

Astronaut’s reunion with her dog is pure joy

1 day ago

Climate

Swiss singer performs inside Morteratsch glacier cave before it melts

1 day ago

Astronomy

Lyrids 2026: How to see the 1st meteor shower since January

1 day ago

Severe Weather

Rare tornado touches down in Northern California

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

...

...

...