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June 20th, 2025 :: 4:28 am EDT   

Local Weather Report for
Saint Marys
Ontario, Canada

 Saint Marys Weather Forecast Summary  
 
Today
Jun 20th
Saturday
Jun 21st
Sunday
Jun 22nd
Monday
Jun 23rd
Tuesday
Jun 24th
Cloudy Cloudy Sunny Mostly Sunny Thundershowers
24°C
26°C
18°C
33°C
22°C
32°C
22°C
31°C
21°C
 
 Saint Marys Detailed Weather Forecast  
 
Friday, June 20th, 2025
Overnight Temperature: 15°C
Clear with cloudy periods.
Morning Temperature: 23°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 23°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 18°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Saturday, June 21st, 2025
Overnight Temperature: 19°C
Clear with cloudy periods. Windy at times.
Morning Temperature: 23°C
Cloudy with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 24°C
Cloudy. Chance of a thunderstorm. Windy.
Evening Temperature: 23°C
Clear. Chance of a thunderstorm. Windy.
Sunday, June 22nd, 2025
Overnight Temperature: 24°C
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 31°C
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 31°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 24°C
Clear. Chance of a thunderstorm. Windy at times.
Monday, June 23rd, 2025
Overnight Temperature: 24°C
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 31°C
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 30°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 24°C
Clear with cloudy periods. Chance of a thunderstorm.
Tuesday, June 24th, 2025
Overnight Temperature: 24°C
Cloudy. Chance of a thunderstorm.
Morning Temperature: 30°C
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 28°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
Cloudy. Slight chance of a thunderstorm.
Wednesday, June 25th, 2025
Overnight Temperature: 20°C
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 26°C
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 26°C
Sunny with cloudy periods with showers likely. Chance of a thunderstorm.
Evening Temperature: 21°C
Cloudy with a chance of showers.
Thursday, June 26th, 2025
Overnight Temperature: 21°C
A mix of cloudy and clear skies.
Morning Temperature: 25°C
Cloudy with a slight chance of showers or thundershowers.
Afternoon Temperature: 25°C
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 20°C
Clear with cloudy periods with a chance of showers.
Friday, June 27th, 2025
Overnight Temperature: 21°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 29°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 28°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 22°C
A mix of cloudy and clear skies with a slight chance of showers or thundershowers.
Saturday, June 28th, 2025
Overnight Temperature: 22°C
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 28°C
Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 22°C
A mix of cloudy and clear skies. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Saint Marys, 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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