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July 15th, 2026 :: 4:19 pm EDT   

Local Weather Report for
Grand Valley
Ontario, Canada

 Grand Valley Weather Forecast Summary  
 
Today
Jul 15th 		Thursday
Jul 16th 		Friday
Jul 17th 		Saturday
Jul 18th 		Sunday
Jul 19th
Mostly Sunny Mostly Sunny Mix of Cloud and Sun Thundershowers Mostly Sunny
27°C
 27°C
16°C		 25°C
15°C		 26°C
15°C		 25°C
15°C
 
 Grand Valley Detailed Weather Forecast  
 
Wednesday, July 15th, 2026
Afternoon Temperature: 26°C
A mix of sun and cloud. Windy at times.
Evening Temperature: 20°C
A mix of cloudy and clear skies.
Thursday, July 16th, 2026
Overnight Temperature: 18°C
Clear.
Morning Temperature: 22°C
Mostly sunny. Windy at times.
Afternoon Temperature: 27°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 21°C
A mix of cloudy and clear skies. Windy at times.
Friday, July 17th, 2026
Overnight Temperature: 16°C
A mix of cloudy and clear skies.
Morning Temperature: 19°C
A mix of sun and cloud.
Afternoon Temperature: 24°C
Mostly cloudy.
Evening Temperature: 16°C
Cloudy with clear periods with a chance of showers.
Saturday, July 18th, 2026
Overnight Temperature: 15°C
A mix of clear and cloudy skies with a slight chance of showers.
Morning Temperature: 18°C
Mostly cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 25°C
A mix of sun and cloud with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 19°C
A mix of cloudy and clear skies with a few showers. Slight chance of a thunderstorm.
Sunday, July 19th, 2026
Overnight Temperature: 18°C
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 17°C
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 24°C
Sunny.
Evening Temperature: 18°C
Mostly clear.
Monday, July 20th, 2026
Overnight Temperature: 17°C
Clear with cloudy periods.
Morning Temperature: 22°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°C
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
A mix of clear and cloudy skies with a few showers. Slight chance of a thunderstorm. Windy at times.
Tuesday, July 21st, 2026
Overnight Temperature: 12°C
Clear with cloudy periods with showers likely. Windy.
Morning Temperature: 16°C
Mostly sunny. Windy.
Afternoon Temperature: 16°C
A mix of cloud and sun. Windy.
Evening Temperature: 14°C
Clear. Windy.
Wednesday, July 22nd, 2026
Overnight Temperature: 13°C
Clear. Windy at times.
Morning Temperature: 17°C
Mostly sunny. Windy at times.
Afternoon Temperature: 22°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 15°C
Mostly clear.
Thursday, July 23rd, 2026
Overnight Temperature: 14°C
Clear with cloudy periods.
Morning Temperature: 19°C
Mostly sunny. Windy at times.
Afternoon Temperature: 22°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 19°C
Mostly cloudy.



 

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3:00 PM  23°C
 
 
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3:00 PM  23°C
 

 
This WeatherCity Weather Forecast for Grand Valley, 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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