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December 18th, 2025 :: 1:44 pm EST   

Local Weather Report for
Acton
Ontario, Canada

 Acton Weather Forecast Summary  
 
Today
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Mix of rain and snow Mix of rain and snow Cloudy Mostly Sunny Cloudy
7°C
3°C
-6°C
2°C
-5°C
-3°C
-8°C
-2°C
-8°C
 
 Acton Detailed Weather Forecast  
 
Thursday, December 18th, 2025
Afternoon Temperature: 5°C
Cloudy. Windy.
Evening Temperature: 7°C
Cloudy with showers likely. Windy.
Friday, December 19th, 2025
Overnight Temperature: 2°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: -3°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -5°C
Cloudy with a chance of flurries. Wind 30 to 50 km/h.
Evening Temperature: -5°C
A mix of cloudy and clear skies. Windy.
Saturday, December 20th, 2025
Overnight Temperature: -5°C
A mix of cloudy and clear skies.
Morning Temperature: -2°C
Cloudy. Windy.
Afternoon Temperature: 1°C
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Evening Temperature: 0°C
Cloudy with a chance of flurries or showers. Windy.
Sunday, December 21st, 2025
Overnight Temperature: -4°C
Clear with cloudy periods with a slight chance of flurries. Windy.
Morning Temperature: -5°C
A mix of cloud and sun. Windy.
Afternoon Temperature: -5°C
A mix of cloud and sun with a slight chance of flurries. Windy.
Evening Temperature: -7°C
Mostly clear. Windy at times.
Monday, December 22nd, 2025
Overnight Temperature: -8°C
Clear.
Morning Temperature: -5°C
Cloudy.
Afternoon Temperature: -3°C
Cloudy. Windy at times.
Evening Temperature: -2°C
Cloudy with a chance of flurries. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 0°C
Cloudy. Windy at times.
Morning Temperature: 1°C
Cloudy. Windy.
Afternoon Temperature: 1°C
Cloudy. Windy at times.
Evening Temperature: 1°C
Cloudy. Windy at times.
Wednesday, December 24th, 2025
Overnight Temperature: -3°C
Cloudy.
Morning Temperature: -3°C
A mix of cloud and sun.
Afternoon Temperature: -2°C
Cloudy.
Evening Temperature: -1°C
Cloudy.
Thursday, December 25th, 2025
Overnight Temperature: 0°C
Cloudy with a chance of flurries or showers.
Morning Temperature: 0°C
Cloudy.
Afternoon Temperature: 0°C
Cloudy.
Evening Temperature: 0°C
Cloudy. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: -2°C
Cloudy. Windy at times.
Morning Temperature: -1°C
Cloudy with a chance of flurries or showers. Windy at times.
Afternoon Temperature: -3°C
Cloudy. Windy at times.
Evening Temperature: -6°C
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for Acton, 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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