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May 1st, 2025 :: 1:48 pm EDT   

Local Weather Report for
Thunder Bay
Ontario, Canada

 Current Thunder Bay Weather Conditions Updated May 1st at 1:00 pm 
Mostly Cloudy
Temperature:46°F Dew Point:39°F
Barometer:29.83 inHg Wind:N 28 Mph
Humidity:75.8% Visibility:0M
 
 Thunder Bay Weather Forecast Summary  
 
Today
May 1st
Friday
May 2nd
Saturday
May 3rd
Sunday
May 4th
Monday
May 5th
Cloudy Mix of rain and snow Cloudy Mostly Sunny Mix of Cloud and Sun
44°F
38°F
30°F
41°F
29°F
46°F
38°F
49°F
40°F
 
 Thunder Bay Detailed Weather Forecast  
 
Thursday, May 1st, 2025
Afternoon Temperature: 41°F
Cloudy. Windy at times.
Evening Temperature: 36°F
Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries.
Friday, May 2nd, 2025
Overnight Temperature: 31°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 34°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Afternoon Temperature: 38°F
Cloudy.
Evening Temperature: 31°F
Clear.
Saturday, May 3rd, 2025
Overnight Temperature: 31°F
Clear.
Morning Temperature: 39°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 39°F
Sunny with cloudy periods.
Evening Temperature: 40°F
Cloudy.
Sunday, May 4th, 2025
Overnight Temperature: 41°F
Clear with cloudy periods.
Morning Temperature: 43°F
Mostly sunny.
Afternoon Temperature: 46°F
Sunny.
Evening Temperature: 38°F
Clear.
Monday, May 5th, 2025
Overnight Temperature: 41°F
Clear.
Morning Temperature: 48°F
Sunny with cloudy periods.
Afternoon Temperature: 48°F
A mix of cloud and sun.
Evening Temperature: 41°F
Clear.
Tuesday, May 6th, 2025
Overnight Temperature: 42°F
Cloudy.
Morning Temperature: 46°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 47°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 38°F
Clear.
Wednesday, May 7th, 2025
Overnight Temperature: 37°F
Clear with cloudy periods.
Morning Temperature: 43°F
A mix of cloud and sun.
Afternoon Temperature: 42°F
A mix of cloud and sun.
Evening Temperature: 38°F
Mostly clear.
Thursday, May 8th, 2025
Overnight Temperature: 40°F
A mix of cloudy and clear skies.
Morning Temperature: 47°F
A mix of cloud and sun.
Afternoon Temperature: 47°F
Cloudy.
Evening Temperature: 50°F
Cloudy.
Friday, May 9th, 2025
Overnight Temperature: 51°F
Cloudy.
Morning Temperature: 54°F
Sunny with cloudy periods.
Afternoon Temperature: 51°F
A mix of cloud and sun.
Evening Temperature: 46°F
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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