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January 3rd, 2026 :: 2:31 am EST   

Local Weather Report for
Thunder Bay
Ontario, Canada

 Current Thunder Bay Weather Conditions Updated January 3rd at 1:00 am 
Temperature:-17°C Dew Point:-21°C
Barometer:101.4 kPa Wind:N 31 Km/h
Humidity:59.1% Visibility:0 Km
 
 Thunder Bay Weather Forecast Summary  
 
Today
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Cloudy Flurries Cloudy Mix of rain and snow Cloudy
-12°C
-9°C
-19°C
-6°C
-10°C
-1°C
-6°C
0°C
-6°C
 
 Thunder Bay Detailed Weather Forecast  
 
Saturday, January 3rd, 2026
Overnight Temperature: -15°C
Cloudy.
Morning Temperature: -13°C
Cloudy. Windy at times.
Afternoon Temperature: -14°C
Sunny with cloudy periods.
Evening Temperature: -18°C
Clear with cloudy periods.
Sunday, January 4th, 2026
Overnight Temperature: -19°C
A mix of cloudy and clear skies.
Morning Temperature: -15°C
Cloudy.
Afternoon Temperature: -13°C
Cloudy.
Evening Temperature: -10°C
Cloudy with flurries likely. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: -9°C
Clear with cloudy periods with a chance of flurries. Windy at times.
Morning Temperature: -8°C
Cloudy.
Afternoon Temperature: -6°C
Mostly cloudy.
Evening Temperature: -7°C
A mix of cloudy and clear skies.
Tuesday, January 6th, 2026
Overnight Temperature: -5°C
Cloudy.
Morning Temperature: -3°C
Cloudy.
Afternoon Temperature: -1°C
Cloudy.
Evening Temperature: -1°C
Cloudy with flurries likely.
Wednesday, January 7th, 2026
Overnight Temperature: -4°C
Cloudy with a chance of flurries.
Morning Temperature: -1°C
Cloudy.
Afternoon Temperature: 0°C
Cloudy.
Evening Temperature: 0°C
Cloudy with clear periods.
Thursday, January 8th, 2026
Overnight Temperature: -4°C
Clear with cloudy periods.
Morning Temperature: -5°C
Cloudy.
Afternoon Temperature: -2°C
Cloudy.
Evening Temperature: -2°C
Cloudy with a chance of flurries.
Friday, January 9th, 2026
Overnight Temperature: -1°C
Cloudy with flurries likely.
Morning Temperature: -4°C
Cloudy. Windy at times.
Afternoon Temperature: -5°C
Cloudy. Windy at times.
Evening Temperature: -8°C
Cloudy. Windy at times.
Saturday, January 10th, 2026
Overnight Temperature: -13°C
Clear. Windy at times.
Morning Temperature: -14°C
Sunny with cloudy periods.
Afternoon Temperature: -14°C
Mostly sunny.
Evening Temperature: -19°C
Clear.
Sunday, January 11th, 2026
Overnight Temperature: -19°C
Cloudy.
Morning Temperature: -13°C
Mostly cloudy.
Afternoon Temperature: -5°C
Cloudy. Windy at times.
Evening Temperature: -4°C
Cloudy with a chance of flurries.





 

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This WeatherCity Weather Forecast for Thunder Bay, 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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