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January 12th, 2026 :: 1:00 am EST   

Local Weather Report for
Grimsby
Ontario, Canada

 Grimsby Weather Forecast Summary  
 
Today
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Cloudy Cloudy Mix of rain and snow Cloudy Mostly Sunny
2°C
4°C
0°C
4°C
-5°C
-6°C
-8°C
-5°C
-9°C
 
 Grimsby Detailed Weather Forecast  
 
Monday, January 12th, 2026
Overnight Temperature: -1°C
Cloudy. Windy.
Morning Temperature: 1°C
Cloudy with sunny periods. Windy.
Afternoon Temperature: 1°C
Sunny with cloudy periods. Windy.
Evening Temperature: 1°C
Cloudy. Windy.
Tuesday, January 13th, 2026
Overnight Temperature: 1°C
Mostly clear. Windy at times.
Morning Temperature: 2°C
Cloudy. Windy.
Afternoon Temperature: 4°C
Cloudy. Windy.
Evening Temperature: 4°C
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 4°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Morning Temperature: 3°C
Cloudy. Windy at times.
Afternoon Temperature: 2°C
Cloudy.
Evening Temperature: -4°C
Cloudy with clear periods with a chance of flurries. Windy.
Thursday, January 15th, 2026
Overnight Temperature: -7°C
Cloudy with a chance of flurries. Windy.
Morning Temperature: -7°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -7°C
Cloudy. Windy.
Evening Temperature: -8°C
Cloudy. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: -9°C
Clear with cloudy periods. Windy at times.
Morning Temperature: -6°C
Sunny.
Afternoon Temperature: -5°C
Sunny.
Evening Temperature: -6°C
Clear.
Saturday, January 17th, 2026
Overnight Temperature: -3°C
Cloudy. Windy at times.
Morning Temperature: -1°C
Cloudy. Windy.
Afternoon Temperature: 0°C
Cloudy with a chance of flurries or showers. Windy.
Evening Temperature: -2°C
Clear with cloudy periods with a chance of flurries or showers. Wind 30 to 50 km/h.
Sunday, January 18th, 2026
Overnight Temperature: -5°C
Cloudy. Windy.
Morning Temperature: -2°C
Cloudy. Windy.
Afternoon Temperature: -3°C
Sunny with cloudy periods. Windy.
Evening Temperature: -3°C
Cloudy. Windy at times.
Monday, January 19th, 2026
Overnight Temperature: -1°C
Cloudy. Windy.
Morning Temperature: 0°C
Cloudy. Wind 30 to 50 km/h.
Afternoon Temperature: -1°C
Cloudy. Windy.
Evening Temperature: -3°C
A mix of cloudy and clear skies. Windy at times.





 

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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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