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February 27th, 2026 :: 11:41 pm EST   

Local Weather Report for
Harriston
Ontario, Canada

 Harriston Weather Forecast Summary  
 
Today
Feb 27th
Saturday
Feb 28th
Sunday
Mar 1st
Monday
Mar 2nd
Tuesday
Mar 3rd
Cloudy Mix of rain and snow Cloudy Cloudy Cloudy
1°C
1°C
-10°C
-12°C
-26°C
-11°C
-26°C
-1°C
-9°C
 
 Harriston Detailed Weather Forecast  
 
Saturday, February 28th, 2026
Overnight Temperature: 1°C
Cloudy. Windy.
Morning Temperature: -4°C
Cloudy. Windy at times.
Afternoon Temperature: -6°C
Cloudy. Windy at times.
Evening Temperature: -9°C
Cloudy with flurries likely.
Sunday, March 1st, 2026
Overnight Temperature: -13°C
Cloudy. Windy at times.
Morning Temperature: -14°C
Cloudy. Windy at times.
Afternoon Temperature: -18°C
Cloudy. Windy at times.
Evening Temperature: -24°C
Clear with cloudy periods.
Monday, March 2nd, 2026
Overnight Temperature: -26°C
Clear.
Morning Temperature: -15°C
Sunny.
Afternoon Temperature: -13°C
Cloudy. Windy at times.
Evening Temperature: -12°C
Cloudy. Windy at times.
Tuesday, March 3rd, 2026
Overnight Temperature: -9°C
Cloudy.
Morning Temperature: -3°C
Cloudy.
Afternoon Temperature: -4°C
Cloudy.
Evening Temperature: -9°C
Cloudy.
Wednesday, March 4th, 2026
Overnight Temperature: -7°C
Cloudy.
Morning Temperature: -1°C
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: -1°C
Cloudy with a slight chance of flurries or showers. Wind 30 to 50 km/h.
Evening Temperature: -11°C
Clear with cloudy periods. Wind 30 to 50 km/h.





 

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This WeatherCity Weather Forecast for Harriston, 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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