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July 3rd, 2026 :: 12:07 pm EDT   

Local Weather Report for
Newcastle
Ontario, Canada

 Newcastle Weather Forecast Summary  
 
Today
Jul 3rd 		Saturday
Jul 4th 		Sunday
Jul 5th 		Monday
Jul 6th 		Tuesday
Jul 7th
Mostly Sunny Mostly Sunny Mix of Sun and Cloud Mostly Cloudy with Showers Mix of Sun and Cloud
30°C
 26°C
19°C		 25°C
18°C		 19°C
17°C		 23°C
17°C
 
 Newcastle Detailed Weather Forecast  
 
Friday, July 3rd, 2026
Afternoon Temperature: 29°C
A mix of sun and cloud. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 23°C
Clear. Slight chance of a thunderstorm.
Saturday, July 4th, 2026
Overnight Temperature: 19°C
A mix of cloudy and clear skies.
Morning Temperature: 23°C
A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 24°C
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 21°C
Mostly clear with a slight chance of showers or thundershowers.
Sunday, July 5th, 2026
Overnight Temperature: 18°C
Mostly clear.
Morning Temperature: 20°C
Mostly cloudy.
Afternoon Temperature: 25°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 20°C
Mostly clear.
Monday, July 6th, 2026
Overnight Temperature: 18°C
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 17°C
Cloudy with a chance of showers.
Afternoon Temperature: 18°C
Cloudy with a few showers.
Evening Temperature: 18°C
A mix of clear and cloudy skies with showers likely. Windy at times.
Tuesday, July 7th, 2026
Overnight Temperature: 18°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 20°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 22°C
A mix of cloud and sun.
Evening Temperature: 19°C
Clear.
Wednesday, July 8th, 2026
Overnight Temperature: 16°C
Clear.
Morning Temperature: 23°C
Mostly sunny.
Afternoon Temperature: 28°C
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 21°C
Mostly clear with a slight chance of showers or thundershowers.
Thursday, July 9th, 2026
Overnight Temperature: 19°C
Clear.
Morning Temperature: 23°C
Mostly sunny. Windy at times.
Afternoon Temperature: 27°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 22°C
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Friday, July 10th, 2026
Overnight Temperature: 20°C
A mix of clear and cloudy skies with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 24°C
A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 22°C
Clear. Slight chance of a thunderstorm.
Saturday, July 11th, 2026
Overnight Temperature: 19°C
Clear.
Morning Temperature: 23°C
Sunny.
Afternoon Temperature: 26°C
Mostly sunny.
Evening Temperature: 21°C
Clear with cloudy periods.



 

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This WeatherCity Weather Forecast for Newcastle, 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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