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December 13th, 2025 :: 8:44 am EST   

Local Weather Report for
Sarnia
Ontario, Canada

 Current Sarnia Weather Conditions Updated December 13th at 7:47 am 
Overcast
Temperature:-4°C Dew Point:-8°C
Barometer:101.4 kPa Wind:N 17 Km/h
Humidity:73.3% Visibility:0 Km
 
 Sarnia Weather Forecast Summary  
 
Today
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Cloudy Flurries Cloudy Cloudy Cloudy
-3°C
-5°C
-14°C
-7°C
-10°C
0°C
-13°C
2°C
-2°C
 
 Sarnia Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Morning Temperature: -9°C
Cloudy. Windy.
Afternoon Temperature: -10°C
Cloudy. Windy.
Evening Temperature: -13°C
Cloudy. Windy.
Sunday, December 14th, 2025
Overnight Temperature: -14°C
Cloudy. Windy.
Morning Temperature: -8°C
Cloudy with a chance of flurries. Wind 30 to 50 km/h.
Afternoon Temperature: -5°C
Cloudy with flurries likely. Wind 30 to 50 km/h.
Evening Temperature: -6°C
Cloudy with a slight chance of flurries. Windy.
Monday, December 15th, 2025
Overnight Temperature: -8°C
Cloudy. Windy at times.
Morning Temperature: -7°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -9°C
Sunny with cloudy periods with a slight chance of flurries. Windy.
Evening Temperature: -10°C
Cloudy. Windy at times.
Tuesday, December 16th, 2025
Overnight Temperature: -12°C
A mix of cloudy and clear skies.
Morning Temperature: -6°C
Cloudy. Windy at times.
Afternoon Temperature: -2°C
Cloudy. Windy.
Evening Temperature: 0°C
Cloudy. Windy.
Wednesday, December 17th, 2025
Overnight Temperature: 1°C
Cloudy. Windy.
Morning Temperature: 2°C
Cloudy. Windy at times.
Afternoon Temperature: 1°C
Cloudy. Windy at times.
Evening Temperature: -2°C
Cloudy.
Thursday, December 18th, 2025
Overnight Temperature: 1°C
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy.
Morning Temperature: 4°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 5°C
Cloudy with a few showers. Windy.
Evening Temperature: 3°C
Clear. Wind 30 to 50 km/h.
Friday, December 19th, 2025
Overnight Temperature: -2°C
Cloudy with a slight chance of flurries or showers. Wind 30 to 50 km/h.
Morning Temperature: -5°C
Cloudy. Wind 30 to 50 km/h.
Afternoon Temperature: -5°C
Cloudy. Windy.
Evening Temperature: -5°C
Cloudy. Windy at times.
Saturday, December 20th, 2025
Overnight Temperature: -2°C
Cloudy with flurries likely. Windy.
Morning Temperature: 2°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 5°C
Cloudy with showers. Showers possibly mixed with wet flurries. Windy at times.
Evening Temperature: 2°C
Cloudy with showers. Showers possibly mixed with wet flurries. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: 1°C
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy.
Morning Temperature: -3°C
Cloudy. Windy.
Afternoon Temperature: -3°C
Cloudy. Windy.
Evening Temperature: -3°C
A mix of cloudy and clear skies. Windy at times.





 

  [ Local Weather Report ]
Point Edward, ON 
7:47 AM  -4°C
Overcast
 
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7:55 AM  -3°C
Overcast
 
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Overcast
 
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7:55 AM  -3°C
Overcast
 
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Smiths Creek, MI 
7:55 AM  -3°C
Overcast
 
Jeddo, MI 
 
Goodells, MI 

 
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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