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May 4th, 2026 :: 11:10 am EDT   

Local Weather Report for
Newcastle
Ontario, Canada

 Newcastle Weather Forecast Summary  
 
Today
May 4th 		Tuesday
May 5th 		Wednesday
May 6th 		Thursday
May 7th 		Friday
May 8th
Mostly Sunny Mostly Cloudy Mix of Cloud and Sun Mix of Cloud and Sun Mix of Cloud and Sun
16°C
 12°C
6°C		 13°C
4°C		 11°C
4°C		 11°C
2°C
 
 Newcastle Detailed Weather Forecast  
 
Monday, May 4th, 2026
Afternoon Temperature: 16°C
Sunny with cloudy periods. Windy.
Evening Temperature: 11°C
Clear with cloudy periods. Windy at times.
Tuesday, May 5th, 2026
Overnight Temperature: 10°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 10°C
Mostly cloudy with a slight chance of showers. Windy at times.
Afternoon Temperature: 8°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 7°C
Mostly cloudy with a slight chance of showers.
Wednesday, May 6th, 2026
Overnight Temperature: 5°C
A mix of cloudy and clear skies.
Morning Temperature: 8°C
Sunny with cloudy periods.
Afternoon Temperature: 12°C
A mix of cloud and sun.
Evening Temperature: 8°C
Mostly cloudy.
Thursday, May 7th, 2026
Overnight Temperature: 5°C
Cloudy.
Morning Temperature: 8°C
Mostly cloudy.
Afternoon Temperature: 11°C
Cloudy with sunny periods. Windy at times.
Evening Temperature: 5°C
Clear. Windy at times.
Friday, May 8th, 2026
Overnight Temperature: 2°C
Mostly cloudy. Windy at times.
Morning Temperature: 7°C
Mostly sunny. Windy at times.
Afternoon Temperature: 10°C
A mix of cloud and sun with a slight chance of showers. Windy at times.
Evening Temperature: 5°C
A mix of clear and cloudy skies.
Saturday, May 9th, 2026
Overnight Temperature: 2°C
A mix of cloudy and clear skies.
Morning Temperature: 8°C
Sunny with cloudy periods.
Afternoon Temperature: 11°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 7°C
A mix of cloudy and clear skies.
Sunday, May 10th, 2026
Overnight Temperature: 4°C
Mostly clear.
Morning Temperature: 9°C
Mostly sunny.
Afternoon Temperature: 13°C
Mostly cloudy. Windy at times.
Evening Temperature: 9°C
Cloudy with a slight chance of showers.
Monday, May 11th, 2026
Overnight Temperature: 9°C
Cloudy with a chance of showers.
Morning Temperature: 10°C
Cloudy with sunny periods with a chance of showers.
Afternoon Temperature: 11°C
Mostly cloudy.
Evening Temperature: 10°C
Mostly cloudy.
Tuesday, May 12th, 2026
Overnight Temperature: 9°C
Clear with cloudy periods.
Morning Temperature: 13°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 15°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 11°C
A mix of cloudy and clear skies. Windy at times.



 

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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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