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October 21st, 2025 :: 1:19 am EDT   

Local Weather Report for
Sarnia
Ontario, Canada

 Current Sarnia Weather Conditions Updated October 21st at 12:00 am 
Temperature:8°C Dew Point:5°C
Barometer:101.1 kPa Wind:N 17 Km/h
Humidity:81.3% Visibility:0 Km
 
 Sarnia Weather Forecast Summary  
 
Today
Oct 21st
Wednesday
Oct 22nd
Thursday
Oct 23rd
Friday
Oct 24th
Saturday
Oct 25th
Showers Showers Cloudy Mix of Cloud and Sun Cloudy
15°C
9°C
6°C
9°C
5°C
11°C
4°C
12°C
4°C
 
 Sarnia Detailed Weather Forecast  
 
Tuesday, October 21st, 2025
Overnight Temperature: 10°C
Cloudy with clear periods with a chance of showers. Windy at times.
Morning Temperature: 13°C
Cloudy. Windy.
Afternoon Temperature: 12°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 8°C
Cloudy with a chance of showers. Windy at times.
Wednesday, October 22nd, 2025
Overnight Temperature: 6°C
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 8°C
Cloudy with showers likely. Wind 30 to 50 km/h.
Afternoon Temperature: 8°C
Cloudy with a chance of showers. Wind 30 to 50 km/h.
Evening Temperature: 7°C
Cloudy with a slight chance of showers. Windy.
Thursday, October 23rd, 2025
Overnight Temperature: 6°C
Cloudy. Windy at times.
Morning Temperature: 9°C
Cloudy with a slight chance of showers. Windy.
Afternoon Temperature: 8°C
Sunny with cloudy periods with a chance of showers. Windy.
Evening Temperature: 6°C
Clear. Windy at times.
Friday, October 24th, 2025
Overnight Temperature: 4°C
Clear. Windy at times.
Morning Temperature: 9°C
Sunny. Windy at times.
Afternoon Temperature: 9°C
Mostly sunny. Windy at times.
Evening Temperature: 6°C
A mix of cloudy and clear skies.
Saturday, October 25th, 2025
Overnight Temperature: 5°C
Cloudy.
Morning Temperature: 11°C
Cloudy.
Afternoon Temperature: 10°C
Cloudy.
Evening Temperature: 7°C
Cloudy.
Sunday, October 26th, 2025
Overnight Temperature: 6°C
Cloudy. Windy at times.
Morning Temperature: 12°C
Cloudy. Windy at times.
Afternoon Temperature: 12°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 7°C
Mostly clear. Windy at times.
Monday, October 27th, 2025
Overnight Temperature: 6°C
Clear. Windy at times.
Morning Temperature: 12°C
Mostly sunny. Windy.
Afternoon Temperature: 11°C
A mix of cloud and sun. Windy.
Evening Temperature: 6°C
A mix of cloudy and clear skies. Windy.
Tuesday, October 28th, 2025
Overnight Temperature: 5°C
A mix of cloudy and clear skies. Windy.
Morning Temperature: 11°C
Cloudy. Wind 30 to 50 km/h.
Afternoon Temperature: 11°C
Cloudy with a chance of showers. Wind 30 to 50 km/h.
Evening Temperature: 8°C
Cloudy with showers. Wind 30 to 50 km/h.





 

  [ Local Weather Report ]
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12:00 AM  8°C
 
 
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11:55 PM  5°C
 
 
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12:00 AM  8°C
 
 
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11:55 PM  5°C
 
 
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12:00 AM  8°C
 
 
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11:55 PM  5°C
 
 
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11:55 PM  5°C
 
 
Smiths Creek, MI 
11:55 PM  5°C
 
 
Jeddo, MI 
 
Goodells, MI 
11:55 PM  5°C
 

 
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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