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January 12th, 2026 :: 12:03 pm EST   

Local Weather Report for
Harriston
Ontario, Canada

 Harriston Weather Forecast Summary  
 
Today
Jan 12th 		Tuesday
Jan 13th 		Wednesday
Jan 14th 		Thursday
Jan 15th 		Friday
Jan 16th
Cloudy Cloudy Cloudy Cloudy Cloudy
-1°C
 1°C
-3°C		 0°C
-12°C		 -13°C
-15°C		 -6°C
-14°C
 
 Harriston Detailed Weather Forecast  
 
Monday, January 12th, 2026
Afternoon Temperature: -2°C
Cloudy. Windy.
Evening Temperature: -2°C
Cloudy. Windy at times.
Tuesday, January 13th, 2026
Overnight Temperature: -2°C
Cloudy. Windy at times.
Morning Temperature: -1°C
Cloudy. Windy.
Afternoon Temperature: 1°C
Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy.
Evening Temperature: 1°C
Cloudy with a chance of flurries or showers. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 0°C
Cloudy with a chance of flurries or showers. Windy at times.
Morning Temperature: 0°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -11°C
Cloudy. Windy.
Thursday, January 15th, 2026
Overnight Temperature: -14°C
Cloudy with a chance of flurries. Windy.
Morning Temperature: -14°C
Cloudy. Windy.
Afternoon Temperature: -14°C
Cloudy. Windy.
Evening Temperature: -14°C
A mix of cloudy and clear skies. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: -14°C
Clear with cloudy periods.
Morning Temperature: -9°C
Cloudy. Windy at times.
Afternoon Temperature: -7°C
Cloudy. Windy at times.
Evening Temperature: -6°C
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: -3°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -4°C
Cloudy. Windy at times.
Evening Temperature: -5°C
Cloudy with flurries likely. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: -12°C
Cloudy with flurries likely. Windy.
Morning Temperature: -13°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -15°C
Cloudy with a chance of flurries. Windy.
Evening Temperature: -16°C
Cloudy with a chance of flurries.
Monday, January 19th, 2026
Overnight Temperature: -15°C
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: -10°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -5°C
Cloudy with flurries likely. Wind 30 to 50 km/h.
Evening Temperature: -8°C
Cloudy with flurries likely. Wind 30 to 50 km/h.
Tuesday, January 20th, 2026
Overnight Temperature: -9°C
Cloudy with flurries likely. Wind 30 to 50 km/h.
Morning Temperature: -8°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -9°C
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -18°C
A mix of cloudy and clear skies.



 

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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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