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July 12th, 2025 :: 3:08 am EDT   

Local Weather Report for
Sarnia
Ontario, Canada

 Current Sarnia Weather Conditions Updated July 12th at 2:00 am 
Overcast
Temperature:21°C Dew Point:21°C
Barometer:101.4 kPa Wind:N 14 Km/h
Humidity:100.0% Visibility:0 Km
 
 Sarnia Weather Forecast Summary  
 
Today
Jul 12th
Sunday
Jul 13th
Monday
Jul 14th
Tuesday
Jul 15th
Wednesday
Jul 16th
Thundershowers Cloudy Sunny Cloudy Thundershowers
29°C
26°C
19°C
27°C
17°C
29°C
19°C
28°C
18°C
 
 Sarnia Detailed Weather Forecast  
 
Saturday, July 12th, 2025
Overnight Temperature: 22°C
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Morning Temperature: 28°C
Sunny with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 28°C
Sunny with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 23°C
Cloudy with a few showers. Chance of a thunderstorm.
Sunday, July 13th, 2025
Overnight Temperature: 22°C
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 25°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 25°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 20°C
Cloudy.
Monday, July 14th, 2025
Overnight Temperature: 18°C
Clear.
Morning Temperature: 24°C
Sunny.
Afternoon Temperature: 26°C
Sunny.
Evening Temperature: 20°C
Clear.
Tuesday, July 15th, 2025
Overnight Temperature: 20°C
A mix of cloudy and clear skies.
Morning Temperature: 27°C
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
Cloudy.
Wednesday, July 16th, 2025
Overnight Temperature: 22°C
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 28°C
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 21°C
Cloudy with showers. Windy at times.
Evening Temperature: 19°C
Cloudy with a slight chance of showers. Windy at times.
Thursday, July 17th, 2025
Overnight Temperature: 18°C
Cloudy.
Morning Temperature: 23°C
Cloudy. Windy at times.
Afternoon Temperature: 22°C
Cloudy.
Evening Temperature: 19°C
Clear with cloudy periods.
Friday, July 18th, 2025
Overnight Temperature: 19°C
Cloudy with showers likely.
Morning Temperature: 19°C
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 19°C
Cloudy. Windy.
Evening Temperature: 16°C
Clear.
Saturday, July 19th, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 23°C
Sunny.
Afternoon Temperature: 22°C
Sunny. Windy at times.
Evening Temperature: 17°C
Clear.





 

  [ Local Weather Report ]
Point Edward, ON 
2:00 AM  21°C
Overcast
 
Marysville, MI 
1:56 AM  20°C
moderate fog
 
Plympton-wyoming, ON 
2:00 AM  21°C
Overcast
 
Port Huron, MI 
1:56 AM  20°C
moderate fog
 
Petrolia, ON 
2:00 AM  21°C
Overcast
 
Kimball, MI 
1:56 AM  20°C
moderate fog
 
Ruby, MI 
1:56 AM  20°C
moderate fog
 
Smiths Creek, MI 
1:56 AM  20°C
moderate fog
 
Jeddo, MI 
 
Goodells, MI 
1:56 AM  20°C
moderate fog

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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