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Sunset:  4:53 pm
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First Quarter
Jan 26




December 30th, 2025 :: 3:20 am EST   

Local Weather Report for
Grimsby
Ontario, Canada

 Grimsby Weather Forecast Summary  
 
Today
Dec 30th 		Wednesday
Dec 31st 		Thursday
Jan 1st 		Friday
Jan 2nd 		Saturday
Jan 3rd
Cloudy Cloudy Cloudy Cloudy Cloudy
-4°C
 -4°C
-8°C		 -8°C
-9°C		 -5°C
-9°C		 -6°C
-8°C
 
 Grimsby Detailed Weather Forecast  
 
Tuesday, December 30th, 2025
Overnight Temperature: -7°C
Cloudy with a chance of flurries. Windy.
Morning Temperature: -5°C
Cloudy with a slight chance of flurries. Wind 30 to 50 km/h.
Afternoon Temperature: -6°C
Cloudy. Windy.
Evening Temperature: -6°C
Cloudy. Windy.
Wednesday, December 31st, 2025
Overnight Temperature: -6°C
Cloudy. Windy.
Morning Temperature: -4°C
Cloudy. Windy.
Afternoon Temperature: -5°C
Cloudy with a chance of flurries. Windy.
Evening Temperature: -7°C
Clear with cloudy periods with a slight chance of flurries. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: -8°C
Cloudy. Windy at times.
Morning Temperature: -8°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: -9°C
Cloudy. Windy.
Evening Temperature: -8°C
Cloudy. Windy at times.
Friday, January 2nd, 2026
Overnight Temperature: -9°C
Cloudy. Windy at times.
Morning Temperature: -6°C
Cloudy. Windy at times.
Afternoon Temperature: -6°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: -8°C
Clear with cloudy periods. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: -8°C
Mostly clear. Windy at times.
Morning Temperature: -7°C
Cloudy. Windy.
Afternoon Temperature: -6°C
A mix of cloud and sun with a chance of flurries. Windy.
Evening Temperature: -7°C
A mix of cloudy and clear skies. Windy at times.
Sunday, January 4th, 2026
Overnight Temperature: -7°C
Clear with cloudy periods. Windy at times.
Morning Temperature: -5°C
Cloudy. Windy at times.
Afternoon Temperature: -5°C
Mostly cloudy. Windy at times.
Evening Temperature: -4°C
Cloudy. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: -4°C
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: -2°C
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: -2°C
Cloudy with sunny periods with a chance of flurries.
Evening Temperature: -5°C
Clear with cloudy periods.
Tuesday, January 6th, 2026
Overnight Temperature: -8°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: -9°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: -8°C
A mix of cloud and sun.
Evening Temperature: -10°C
Mostly clear.
Wednesday, January 7th, 2026
Overnight Temperature: -11°C
A mix of clear and cloudy skies.
Morning Temperature: -7°C
Cloudy.
Afternoon Temperature: -5°C
Cloudy.
Evening Temperature: -4°C
Cloudy.



 

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This WeatherCity Weather Forecast for Grimsby, 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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