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May 15th, 2026 :: 3:45 am EDT   

Local Weather Report for
Guelph
Ontario, Canada

 Guelph Weather Forecast Summary  
 
Today
May 15th 		Saturday
May 16th 		Sunday
May 17th 		Monday
May 18th 		Tuesday
May 19th
Mostly Sunny Mix of Sun and Cloud Mix of Sun and Cloud Mix of Sun and Cloud Mostly Sunny
16°C
 17°C
8°C		 20°C
13°C		 26°C
15°C		 24°C
13°C
 
 Guelph Detailed Weather Forecast  
 
Friday, May 15th, 2026
Overnight Temperature: 5°C
Clear.
Morning Temperature: 10°C
Mostly sunny.
Afternoon Temperature: 16°C
Sunny with cloudy periods.
Evening Temperature: 10°C
Mostly clear.
Saturday, May 16th, 2026
Overnight Temperature: 8°C
Mostly clear.
Morning Temperature: 14°C
Mostly sunny. Windy at times.
Afternoon Temperature: 14°C
Mostly cloudy with a chance of showers. Windy at times.
Evening Temperature: 13°C
A mix of clear and cloudy skies with a slight chance of showers.
Sunday, May 17th, 2026
Overnight Temperature: 13°C
Mostly clear.
Morning Temperature: 17°C
A mix of sun and cloud.
Afternoon Temperature: 18°C
A mix of cloud and sun.
Evening Temperature: 15°C
A mix of cloudy and clear skies.
Monday, May 18th, 2026
Overnight Temperature: 15°C
Cloudy with a chance of showers.
Morning Temperature: 19°C
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 26°C
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 21°C
Mostly clear. Chance of a thunderstorm. Windy at times.
Tuesday, May 19th, 2026
Overnight Temperature: 19°C
Clear with cloudy periods. Windy.
Morning Temperature: 19°C
A mix of cloud and sun with a slight chance of showers. Windy.
Afternoon Temperature: 23°C
Mostly sunny with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 15°C
Clear with cloudy periods. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 9°C
Mostly clear.
Morning Temperature: 13°C
Sunny.
Afternoon Temperature: 16°C
Sunny. Windy at times.
Evening Temperature: 9°C
Clear.
Thursday, May 21st, 2026
Overnight Temperature: 5°C
Clear with cloudy periods.
Morning Temperature: 8°C
Cloudy. Windy at times.
Afternoon Temperature: 8°C
Cloudy with showers likely. Windy at times.
Evening Temperature: 7°C
Cloudy with a chance of showers. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 7°C
Mostly cloudy with a slight chance of showers. Windy at times.
Morning Temperature: 9°C
Mostly cloudy. Windy at times.
Afternoon Temperature: 13°C
Cloudy with sunny periods. Windy at times.
Evening Temperature: 10°C
A mix of cloudy and clear skies.



 

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This WeatherCity Weather Forecast for Guelph, 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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