Current Conditions
More Information
WeatherCity Home
Switch to Imperial Units
[ Almanac ]  
Sunrise:  6:07 am
Sunset:  8:54 pm
[ Moon Phases ]  

Full Moon
Jul 29

Last Quarter
Aug 6

New Moon
Aug 13

First Quarter
Aug 21




July 26th, 2026 :: 5:28 am EDT   

Local Weather Report for
St Marys
Ontario, Canada

 St Marys Weather Forecast Summary  
 
Today
Jul 26th 		Monday
Jul 27th 		Tuesday
Jul 28th 		Wednesday
Jul 29th 		Thursday
Jul 30th
Mix of Sun and Cloud Thundershowers Thundershowers Sunny Mostly Sunny
24°C
 31°C
16°C		 27°C
17°C		 25°C
15°C		 27°C
15°C
 
 St Marys Detailed Weather Forecast  
 
Sunday, July 26th, 2026
Morning Temperature: 20°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 22°C
A mix of cloud and sun with a chance of showers or thundershowers.
Evening Temperature: 20°C
Clear with a chance of showers or thundershowers.
Monday, July 27th, 2026
Overnight Temperature: 17°C
Mostly clear.
Morning Temperature: 22°C
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 30°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 22°C
A mix of cloudy and clear skies with a few showers. Chance of a thunderstorm. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 18°C
A mix of cloudy and clear skies with a few showers.
Morning Temperature: 20°C
A mix of sun and cloud. Chance of a thunderstorm.
Afternoon Temperature: 27°C
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 21°C
Clear with a slight chance of showers or thundershowers. Windy at times.
Wednesday, July 29th, 2026
Overnight Temperature: 16°C
Clear. Windy at times.
Morning Temperature: 19°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 18°C
Clear.
Thursday, July 30th, 2026
Overnight Temperature: 15°C
Clear. Windy at times.
Morning Temperature: 21°C
Sunny.
Afternoon Temperature: 27°C
Sunny.
Evening Temperature: 21°C
Mostly clear.
Friday, July 31st, 2026
Overnight Temperature: 17°C
Mostly clear.
Morning Temperature: 23°C
Mostly sunny. Windy at times.
Afternoon Temperature: 27°C
Mostly sunny. Windy at times.
Evening Temperature: 22°C
A mix of cloudy and clear skies.
Saturday, August 1st, 2026
Overnight Temperature: 19°C
Mostly cloudy with a chance of showers.
Morning Temperature: 18°C
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 20°C
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 19°C
A mix of cloudy and clear skies with a chance of showers. Windy at times.
Sunday, August 2nd, 2026
Overnight Temperature: 19°C
Cloudy with a slight chance of showers.
Morning Temperature: 21°C
Mostly cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 25°C
Mostly cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 22°C
Mostly clear with a slight chance of showers or thundershowers.
Monday, August 3rd, 2026
Overnight Temperature: 19°C
Mostly clear.
Morning Temperature: 24°C
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 28°C
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 24°C
A mix of cloudy and clear skies. Slight chance of a thunderstorm.



 

  [ Local Weather Report ]
Saint Marys, ON 
 
Browns Corners, ON 
 
Blanshard, ON 
 
Downie, ON 
 
Granton, ON 
 
Thorndale, ON 
 
Stratford, ON 
 
Holiday, ON 
 
South Easthope, ON 
 
Lucan, ON 

 
This WeatherCity Weather Forecast for St 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
  St Marys weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00379s  
Home   |   About WeatherCity