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August 28th, 2025 :: 7:55 am EDT   

Local Weather Report for
Sarnia
Ontario, Canada

 Current Sarnia Weather Conditions Updated August 28th at 7:00 am 
Overcast
Temperature:14°C Dew Point:11°C
Barometer:101.7 kPa Wind:N 14 Km/h
Humidity:82.1% Visibility:0 Km
 
 Sarnia Weather Forecast Summary  
 
Today
Aug 28th
Friday
Aug 29th
Saturday
Aug 30th
Sunday
Aug 31st
Monday
Sep 1st
Showers Cloudy Cloudy Mostly Sunny Mix of Cloud and Sun
17°C
16°C
9°C
21°C
8°C
24°C
11°C
27°C
12°C
 
 Sarnia Detailed Weather Forecast  
 
Thursday, August 28th, 2025
Morning Temperature: 16°C
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 16°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 14°C
Cloudy. Windy at times.
Friday, August 29th, 2025
Overnight Temperature: 14°C
Cloudy. Windy at times.
Morning Temperature: 15°C
Cloudy. Windy at times.
Afternoon Temperature: 15°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 10°C
Clear.
Saturday, August 30th, 2025
Overnight Temperature: 9°C
Clear.
Morning Temperature: 19°C
Sunny.
Afternoon Temperature: 19°C
Cloudy.
Evening Temperature: 13°C
A mix of cloudy and clear skies.
Sunday, August 31st, 2025
Overnight Temperature: 12°C
Mostly clear.
Morning Temperature: 23°C
Sunny. Windy at times.
Afternoon Temperature: 20°C
Sunny. Windy at times.
Evening Temperature: 14°C
Clear.
Monday, September 1st, 2025
Overnight Temperature: 13°C
Clear.
Morning Temperature: 25°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 23°C
Sunny with cloudy periods.
Evening Temperature: 15°C
Clear.
Tuesday, September 2nd, 2025
Overnight Temperature: 15°C
Cloudy.
Morning Temperature: 25°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 23°C
Cloudy. Windy at times.
Evening Temperature: 17°C
Cloudy. Windy at times.
Wednesday, September 3rd, 2025
Overnight Temperature: 17°C
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 16°C
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 15°C
Cloudy with showers likely. Windy at times.
Evening Temperature: 15°C
Clear with cloudy periods.
Thursday, September 4th, 2025
Overnight Temperature: 14°C
Cloudy.
Morning Temperature: 18°C
Cloudy with a chance of showers.
Afternoon Temperature: 17°C
Cloudy with a chance of showers.
Evening Temperature: 15°C
Mostly cloudy.
Friday, September 5th, 2025
Overnight Temperature: 14°C
Cloudy.
Morning Temperature: 17°C
Cloudy.
Afternoon Temperature: 15°C
Cloudy with a chance of showers.
Evening Temperature: 13°C
Cloudy with showers likely. Windy at times.





 

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This WeatherCity Weather Forecast for Sarnia, Ontario, Canada is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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