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December 20th, 2025 :: 2:49 pm EST   

Local Weather Report for
Chatham
Ontario, Canada

 Chatham Weather Forecast Summary  
 
Today
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Tuesday
Dec 23rd
Wednesday
Dec 24th
Cloudy Cloudy Mix of rain and snow Cloudy Cloudy
3°C
-3°C
-6°C
1°C
-4°C
3°C
1°C
3°C
1°C
 
 Chatham Detailed Weather Forecast  
 
Saturday, December 20th, 2025
Afternoon Temperature: 3°C
Cloudy. Windy.
Evening Temperature: 0°C
Cloudy. Windy.
Sunday, December 21st, 2025
Overnight Temperature: -4°C
Cloudy. Windy.
Morning Temperature: -5°C
Sunny. Windy.
Afternoon Temperature: -3°C
Sunny. Windy at times.
Evening Temperature: -4°C
Clear with cloudy periods.
Monday, December 22nd, 2025
Overnight Temperature: -4°C
A mix of cloudy and clear skies.
Morning Temperature: 0°C
Cloudy.
Afternoon Temperature: 0°C
Cloudy with a chance of flurries or showers. Windy at times.
Evening Temperature: 1°C
Cloudy with flurries or showers likely. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 2°C
Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times.
Morning Temperature: 3°C
Cloudy. Windy at times.
Afternoon Temperature: 2°C
Cloudy. Windy.
Evening Temperature: 2°C
Cloudy. Windy at times.
Wednesday, December 24th, 2025
Overnight Temperature: 1°C
A mix of cloudy and clear skies.
Morning Temperature: 2°C
Cloudy.
Afternoon Temperature: 1°C
Cloudy.
Evening Temperature: 3°C
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 2°C
Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries.
Morning Temperature: 5°C
Cloudy.
Afternoon Temperature: 6°C
Cloudy.
Evening Temperature: 10°C
Cloudy. Windy.
Friday, December 26th, 2025
Overnight Temperature: 13°C
Cloudy with a chance of showers. Windy.
Morning Temperature: 10°C
Cloudy with a slight chance of showers. Windy.
Afternoon Temperature: 1°C
Sunny. Windy.
Evening Temperature: -2°C
Clear. Windy at times.
Saturday, December 27th, 2025
Overnight Temperature: -2°C
A mix of cloudy and clear skies.
Morning Temperature: -1°C
A mix of cloud and sun.
Afternoon Temperature: -1°C
Cloudy.
Evening Temperature: 2°C
Cloudy. Windy at times.
Sunday, December 28th, 2025
Overnight Temperature: 2°C
Cloudy. Windy.
Morning Temperature: 1°C
Mostly sunny. Windy.
Afternoon Temperature: -2°C
Sunny. Windy at times.
Evening Temperature: -4°C
Clear. 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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