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June 21st, 2025 :: 4:11 am EDT   

Local Weather Report for
Thunder Bay
Ontario, Canada

 Current Thunder Bay Weather Conditions Updated June 21st at 3:00 am 
Mostly Cloudy
Temperature:13°C Dew Point:12°C
Barometer:100.4 kPa Wind:N 38 Km/h
Humidity:93.6% Visibility:0 Km
 
 Thunder Bay Weather Forecast Summary  
 
Today
Jun 21st
Sunday
Jun 22nd
Monday
Jun 23rd
Tuesday
Jun 24th
Wednesday
Jun 25th
Showers Showers Cloudy Mix of Cloud and Sun Cloudy
20°C
15°C
12°C
21°C
12°C
12°C
8°C
13°C
8°C
 
 Thunder Bay Detailed Weather Forecast  
 
Saturday, June 21st, 2025
Overnight Temperature: 10°C
Cloudy with showers likely. Windy at times.
Morning Temperature: 13°C
Cloudy with showers. Windy.
Afternoon Temperature: 20°C
Sunny.
Evening Temperature: 14°C
Cloudy with a slight chance of showers.
Sunday, June 22nd, 2025
Overnight Temperature: 12°C
Cloudy.
Morning Temperature: 12°C
Cloudy with a slight chance of showers.
Afternoon Temperature: 15°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 13°C
Cloudy with a few showers.
Monday, June 23rd, 2025
Overnight Temperature: 13°C
Cloudy with a slight chance of showers.
Morning Temperature: 17°C
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 20°C
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Evening Temperature: 13°C
Clear. Windy at times.
Tuesday, June 24th, 2025
Overnight Temperature: 9°C
A mix of cloudy and clear skies.
Morning Temperature: 12°C
A mix of sun and cloud.
Afternoon Temperature: 10°C
Sunny.
Evening Temperature: 9°C
A mix of cloudy and clear skies.
Wednesday, June 25th, 2025
Overnight Temperature: 9°C
Cloudy.
Morning Temperature: 12°C
Cloudy.
Afternoon Temperature: 12°C
Cloudy.
Evening Temperature: 9°C
Cloudy.
Thursday, June 26th, 2025
Overnight Temperature: 10°C
Cloudy.
Morning Temperature: 13°C
Cloudy with a slight chance of showers.
Afternoon Temperature: 13°C
Cloudy.
Evening Temperature: 10°C
Cloudy.
Friday, June 27th, 2025
Overnight Temperature: 9°C
Cloudy.
Morning Temperature: 11°C
Cloudy.
Afternoon Temperature: 12°C
Cloudy with sunny periods.
Evening Temperature: 10°C
Cloudy.
Saturday, June 28th, 2025
Overnight Temperature: 10°C
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 13°C
A mix of cloud and sun with a chance of showers.
Afternoon Temperature: 21°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 14°C
Cloudy with clear periods with a chance of showers. Windy at times.
Sunday, June 29th, 2025
Overnight Temperature: 11°C
Cloudy with a chance of showers.
Morning Temperature: 14°C
Cloudy with a chance of showers.
Afternoon Temperature: 12°C
Sunny with cloudy periods.
Evening Temperature: 11°C
Clear.





 

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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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