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May 23rd, 2026 :: 6:00 am EDT   

Local Weather Report for
Sarnia
Ontario, Canada

 Current Sarnia Weather Conditions Updated May 23rd at 5:00 am 
Overcast
Temperature:14°C Dew Point:8°C
Barometer:101.8 kPa Wind:N 34 Km/h
Humidity:67.1% Visibility:0 Km
 
 Sarnia Weather Forecast Summary  
 
Today
May 23rd 		Sunday
May 24th 		Monday
May 25th 		Tuesday
May 26th 		Wednesday
May 27th
Mostly Cloudy Mix of Cloud and Sun Mostly Sunny Mostly Sunny Mostly Sunny
14°C
 18°C
10°C		 23°C
11°C		 25°C
14°C		 24°C
13°C
 
 Sarnia Detailed Weather Forecast  
 
Saturday, May 23rd, 2026
Morning Temperature: 11°C
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 10°C
Mostly cloudy with a chance of showers. Wind 30 to 50 km/h.
Evening Temperature: 12°C
A mix of cloudy and clear skies with a chance of showers. Windy.
Sunday, May 24th, 2026
Overnight Temperature: 11°C
A mix of cloudy and clear skies with a slight chance of showers. Windy at times.
Morning Temperature: 12°C
Sunny with cloudy periods.
Afternoon Temperature: 18°C
Mostly cloudy.
Evening Temperature: 14°C
A mix of cloudy and clear skies.
Monday, May 25th, 2026
Overnight Temperature: 12°C
Clear with cloudy periods.
Morning Temperature: 14°C
Sunny with cloudy periods.
Afternoon Temperature: 23°C
Sunny.
Evening Temperature: 18°C
Clear with cloudy periods.
Tuesday, May 26th, 2026
Overnight Temperature: 15°C
Mostly clear.
Morning Temperature: 19°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 20°C
Mostly clear.
Wednesday, May 27th, 2026
Overnight Temperature: 17°C
Mostly clear.
Morning Temperature: 20°C
Mostly sunny.
Afternoon Temperature: 22°C
Mostly sunny. Windy at times.
Evening Temperature: 13°C
Mostly cloudy.
Thursday, May 28th, 2026
Overnight Temperature: 12°C
A mix of cloudy and clear skies.
Morning Temperature: 15°C
Mostly sunny.
Afternoon Temperature: 19°C
Sunny.
Evening Temperature: 16°C
Mostly clear.
Friday, May 29th, 2026
Overnight Temperature: 15°C
Clear with cloudy periods.
Morning Temperature: 19°C
A mix of cloud and sun.
Afternoon Temperature: 17°C
Cloudy with showers likely. Windy at times.
Evening Temperature: 15°C
Cloudy with a few showers. Windy at times.
Saturday, May 30th, 2026
Overnight Temperature: 12°C
Mostly cloudy with showers likely. Windy at times.
Morning Temperature: 8°C
A mix of cloud and sun with a chance of showers. Windy.
Afternoon Temperature: 10°C
Mostly sunny. Wind 30 to 50 km/h.
Evening Temperature: 8°C
Clear. Windy.
Sunday, May 31st, 2026
Overnight Temperature: 9°C
A mix of cloudy and clear skies. Windy.
Morning Temperature: 11°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: 13°C
Sunny. Windy.
Evening Temperature: 10°C
Clear.



 

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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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