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December 27th, 2025 :: 10:37 pm EST   

Local Weather Report for
Chatham
Ontario, Canada

 Chatham Weather Forecast Summary  
 
Today
Dec 27th
Sunday
Dec 28th
Monday
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Cloudy Mix of rain and snow Mix of rain and snow Cloudy Cloudy
1°C
12°C
1°C
6°C
-5°C
-4°C
-5°C
-1°C
-7°C
 
 Chatham Detailed Weather Forecast  
 
Sunday, December 28th, 2025
Overnight Temperature: 2°C
Cloudy. Windy at times.
Morning Temperature: 4°C
Cloudy with a few showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 5°C
Cloudy with periods of rain. Windy at times.
Evening Temperature: 12°C
Cloudy with periods of rain. Windy at times.
Monday, December 29th, 2025
Overnight Temperature: 2°C
Cloudy with periods of rain. Rain possibly mixed with wet snow at times. Wind 40 to 60 km/h.
Morning Temperature: -3°C
Cloudy. Wind 40 to 60 km/h.
Afternoon Temperature: -3°C
Cloudy with a chance of flurries. Wind 40 to 60 km/h.
Evening Temperature: -4°C
Cloudy with a slight chance of flurries. Wind 30 to 50 km/h.
Tuesday, December 30th, 2025
Overnight Temperature: -5°C
Cloudy. Wind 30 to 50 km/h.
Morning Temperature: -5°C
Cloudy. Windy.
Afternoon Temperature: -4°C
Cloudy. Windy.
Evening Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Wednesday, December 31st, 2025
Overnight Temperature: -4°C
A mix of cloudy and clear skies. Windy.
Morning Temperature: -2°C
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: -3°C
Cloudy. Windy at times.
Evening Temperature: -6°C
Cloudy. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: -7°C
Cloudy with a slight chance of flurries. Windy at times.
Morning Temperature: -7°C
Cloudy. Windy at times.
Afternoon Temperature: -8°C
Cloudy. Windy at times.
Evening Temperature: -10°C
Clear. Windy at times.
Friday, January 2nd, 2026
Overnight Temperature: -11°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: -10°C
Cloudy. Windy.
Afternoon Temperature: -8°C
Cloudy. Windy at times.
Evening Temperature: -9°C
Clear. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: -10°C
Clear. Windy at times.
Morning Temperature: -8°C
Cloudy. Windy at times.
Afternoon Temperature: -6°C
Cloudy. Windy at times.
Evening Temperature: -6°C
Cloudy. Windy at times.
Sunday, January 4th, 2026
Overnight Temperature: -4°C
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: -2°C
Cloudy. Windy at times.
Afternoon Temperature: 0°C
Cloudy. Windy at times.
Evening Temperature: -1°C
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for Chatham, 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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