Thunder Bay Weather Conditions
Current Temperature Level

12 °C

Cool

MistFeels Like 12° CHumidity 100%

78 AQI

PM2.5 : 23PM10 : 39

Air quality index is: Moderate

Last Updated: 2025-08-05 09:15 (Local Time)

Map

Thunder Bay

Thunder Bay Weather Parameters

Wind Speed

8 km/h

Light breeze

Gust Speed

3 m/s

Direction

85° E

Cloud Cover

0 %

Visibility

19 km

Precipitation

0 mm

Pressure

1020

1021

1022

1023

1024

1025

1026

1027

1028

1029

1030

1031

1027 mb

High

940956

981

1005

Moderate

1013

1030

1046+

UV Index

UV Index1

Low

Suggestions for

TodayThunder Bay

5 Aug.

Hydration• Stay Hydrated

Clothing• Layering Must

Driving• Enjoy Driving

Sunscreen• Apply

Trending in Canada

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Thunder Bay 10-Days Weather Forecast

See Monthly

Today

15°C

92 %

Wednesday

15°C

93 %

Thursday

18°C

92 %

Friday

20°C

91 %

Saturday

21°C

90 %

Sunday

21°C

81 %

Monday

21°C

71 %

Tuesday

20°C

68 %

Wednesday

21°C

66 %

Thursday

20°C

79 %

Today5 Aug

Partly Cloudy

Periodic cloud cover with temperature at 15 °C. Humidity will be at 92%, and winds will be at 13.3 km/h.

20°C / 13°C

Humi.92 %

Prec.0 mm

Sunrise

06:38 AM

14hrs 50min

Sunset

09:28 PM

Temperature (°C)

12 AMTime11 PM

Time

Condition

Temp

Humidity

Wind Speed & Dir.

12 AM

Fog

13 °C

97 %

3.6 kmph / E

Feels 13 °C

Cover 100 %

Visibility 10 km

1 AM

Fog

13 °C

97 %

5 kmph / NE

Feels 12.8 °C

Cover 100 %

Visibility 10 km

2 AM

Fog

13 °C

97 %

6.1 kmph / NE

Feels 12.6 °C

Cover 100 %

Visibility 10 km

3 AM

Fog

13 °C

97 %

6.1 kmph / NE

Feels 12.5 °C

Cover 100 %

Visibility 10 km

4 AM

Fog

13 °C

97 %

6.1 kmph / NE

Feels 12.4 °C

Cover 100 %

Visibility 10 km

5 AM

Fog

13 °C

97 %

6.8 kmph / NE

Feels 12.3 °C

Cover 100 %

Visibility 10 km

6 AM

Fog

13 °C

97 %

6.5 kmph / NE

Feels 12.2 °C

Cover 100 %

Visibility 10 km

7 AM

Fog

13 °C

97 %

5.8 kmph / ENE

Feels 12.1 °C

Cover 100 %

Visibility 10 km

8 AM

Fog

14 °C

97 %

0.3

6.1 kmph / ENE

Feels 13.3 °C

Cover 100 %

Visibility 10 km

9 AM

Mist

12 °C

100 %

0.8

7.6 kmph / E

Feels 14.2 °C

Cover 0 %

Visibility 19 km

10 AM

Mist

14 °C

96 %

1.7

9.4 kmph / E

Feels 14 °C

Cover 100 %

Visibility 10 km

11 AM

Thundery outbreaks in nearby

16 °C

93 %

2.8

9.4 kmph / ESE

Feels 15.8 °C

Cover 88 %

Visibility 10 km

12 PM

Cloudy

18 °C

89 %

3.8

10.8 kmph / ESE

Feels 17.4 °C

Cover 71 %

Visibility 10 km

1 PM

Partly Cloudy

17 °C

83 %

11.5 kmph / ESE

Feels 17.1 °C

Cover 50 %

Visibility 10 km

2 PM

Partly Cloudy

19 °C

86 %

5.4

11.9 kmph / ESE

Feels 18.7 °C

Cover 58 %

Visibility 10 km

3 PM

Partly Cloudy

20 °C

80 %

4.9

12.6 kmph / ESE

Feels 19.5 °C

Cover 35 %

Visibility 10 km

4 PM

Partly Cloudy

19 °C

81 %

4.2

13.3 kmph / ESE

Feels 18.9 °C

Cover 34 %

Visibility 10 km

5 PM

Partly Cloudy

19 °C

82 %

2.8

11.5 kmph / ESE

Feels 19.1 °C

Cover 34 %

Visibility 10 km

6 PM

Partly Cloudy

19 °C

85 %

1.5

10.8 kmph / ESE

Feels 18.7 °C

Cover 34 %

Visibility 10 km

7 PM

Partly Cloudy

17 °C

87 %

0.7

10.1 kmph / ESE

Feels 17.4 °C

Cover 42 %

Visibility 10 km

8 PM

Partly Cloudy

16 °C

90 %

0.2

9.4 kmph / E

Feels 16.1 °C

Cover 47 %

Visibility 10 km

9 PM

Mist

15 °C

96 %

7.6 kmph / E

Feels 14.9 °C

Cover 66 %

Visibility 10 km

10 PM

Fog

14 °C

97 %

7.2 kmph / E

Feels 13.8 °C

Cover 100 %

Visibility 10 km

11 PM

Fog

13 °C

97 %

8.6 kmph / ENE

Feels 12.9 °C

Cover 100 %

Visibility 10 km

Today

15°C

92 %

Wednesday

15°C

93 %

Thursday

18°C

92 %

Friday

20°C

91 %

Saturday

21°C

90 %

Sunday

21°C

81 %

Monday

21°C

71 %

Tuesday

20°C

68 %

Wednesday

21°C

66 %

Thursday

20°C

79 %

Temp14 °C

ConditionMist

Humidity96 %

Feels14 °C

Cover100 %

Visibility10 km

Wind Speed & Dir.9.4 kmph / E

UV1.7

Thunder Bay 30-Days (August 2025) Weather Forecast

See Hourly

Sun.

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

1Fri.

29°12 °C

2Sat.

28°15 °C

3Sun.

28°15 °C

4Mon.

23°13 °C

5Today

20°12 °C

6Wed.

19°12 °C

7Thu.

26°14 °C

8Fri.

19°18 °C

9Sat.

23°15 °C

10Sun.

26°17 °C

11Mon.

25°17 °C

12Tue.

21°13 °C

13Wed.

19°9 °C

14Thu.

21°10 °C

15Fri.

18°12 °C

16Sat.

20°14 °C

17Sun.

22°13 °C

18Mon.

22°14 °C

19Tue.

22°14 °C

20Wed.

20°15 °C

21Thu.

22°13 °C

22Fri.

21°13 °C

23Sat.

21°14 °C

24Sun.

21°14 °C

25Mon.

21°14 °C

26Tue.

21°13 °C

27Wed.

20°13 °C

28Thu.

20°13 °C

29Fri.

21°14 °C

30Sat.

21°13 °C

31Sun.

21°13 °C

AugustWeather Overview

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Thunder Bay consist of 4 sunny days, 7 cloudy days, 18 rainy days, and 0 snowy days.

Thunder Bay's Locations Weather Conditions

Locations

Temp

Condition

Humi.

Wind Speed & Direction

James Street South

14 °C

Mist

94%

0.8

7.6 kmph / E

Thunder Bay

12 °C

Mist

100%

0.8

7.6 kmph / E

Canada's Hottest Cities - August 2025

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.

Toronto, Canada

22 °C

Overcast

83%

1.1

13.3 kmph / E

St Catharines, Canada

22 °C

Partly Cloudy

82%

1.2

15.8 kmph / E

Brampton, Canada

21 °C

Mist

83%

1.1

14 kmph / E

Burlington, Canada

21 °C

Cloudy

84%

1.3

17.3 kmph / ENE

Mississauga, Canada

21 °C

Overcast

84%

1.2

18.7 kmph / ENE

Milton, Canada

21 °C

Partly Cloudy

84%

0.4

15.8 kmph / ENE

Windsor, Canada

21 °C

Sunny

78%

1.2

9 kmph / ENE

Oakville, Canada

21 °C

Overcast

84%

1.2

18.7 kmph / ENE

Hamilton, Canada

21 °C

Thundery outbreaks in nearby

84%

1.3

17.3 kmph / ENE

10.

New Glasgow, Canada

20 °C

Sunny

65%

3.3

12.2 kmph / NNE

Last Updated: 05 Aug 2025, 01:32 PM

City Weather Rankings

Prana sense

Experience precise, real-time weather monitoring with our Automatic Weather Station, reliable source for accurate meteorological data.

Weather Station

Experience precise, real-time weather monitoring with our Automatic Weather Station, reliable source for accurate meteorological data.

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Thunder Bay Weather ConditionsCurrent Temperature Level

Thunder Bay Weather Parameters

Trending in Canada

Thunder Bay 10-Days Weather Forecast

Thunder Bay 30-Days (August 2025) Weather Forecast

AugustWeather Overview

No. of days:

Thunder Bay's Locations Weather Conditions

Canada's Hottest Cities - August 2025

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Thunder Bay Weather Conditions
Current Temperature Level