Thunder Bay Weather Conditions
Current Temperature Level

18 °C

Cool

OvercastFeels Like 18°CHumidity 94%

34 AQI

PM2.5 : 6PM10 : 14

Air quality index is: Good

Last Updated: 2025-08-22 01:45 (Local Time)

Map

Thunder Bay

Thunder Bay Weather Parameters

Wind Speed

4 km/h

Light breeze

Gust Speed

2 m/s

Direction

212° SSW

Cloud Cover

100 %

Visibility

24 km

Precipitation

0 mm

Pressure

1008

1009

1010

1011

1012

1013

1014

1015

1016

1017

1018

1019

1014 mb

High

940956

981

1005

Moderate

1013

1030

1046+

UV Index

UV Index0

Low

Suggestions for

TodayThunder Bay

22 Aug.

Umbrella• Suggested

Clothing• Layering Must

Driving• Enjoy Driving

Sunscreen• Apply

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Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

Thunder Bay 10-Days Weather Forecast

See Monthly

Today

21°C

77 %

Saturday

17°C

64 %

Sunday

13°C

75 %

Monday

13°C

58 %

Tuesday

12°C

58 %

Wednesday

17°C

61 %

Thursday

17°C

83 %

Friday

13°C

72 %

Saturday

12°C

69 %

Sunday

14°C

78 %

Today22 Aug

Patchy rain nearby

Occasional light rain is expected and humidity will be 77%, with winds at 15.5 km/h.

26°C / 16°C

Humi.77 %

Prec.3.45 mm

Sunrise

07:01 AM

13hrs 57min

Sunset

08:58 PM

Temperature (°C)

12 AMTime11 PM

Time

Condition

Temp

Humidity

Wind Speed & Dir.

12 AM

Fog

16 °C

98 %

3.2 kmph / S

Feels 16.4 °C

Cover 100 %

Visibility 10 km

1 AM

Overcast

18 °C

94 %

3.6 kmph / SSW

Feels 16.5 °C

Cover 100 %

Visibility 24 km

2 AM

Moderate or heavy rain shower

17 °C

98 %

3.2 kmph / SSW

Feels 16.7 °C

Cover 100 %

Visibility 2 km

3 AM

Fog

17 °C

98 %

4.7 kmph / WSW

Feels 16.9 °C

Cover 100 %

Visibility 10 km

4 AM

Mist

17 °C

97 %

5 kmph / W

Feels 17 °C

Cover 100 %

Visibility 10 km

5 AM

Mist

17 °C

96 %

4.7 kmph / WNW

Feels 17 °C

Cover 100 %

Visibility 2 km

6 AM

Mist

17 °C

94 %

4.3 kmph / NW

Feels 17.2 °C

Cover 60 %

Visibility 2 km

7 AM

Mist

18 °C

95 %

5 kmph / WNW

Feels 17.5 °C

Cover 75 %

Visibility 2 km

8 AM

Mist

19 °C

96 %

0.2

4.7 kmph / WNW

Feels 18.5 °C

Cover 37 %

Visibility 2 km

9 AM

Partly Cloudy

20 °C

94 %

0.7

5.4 kmph / W

Feels 19.7 °C

Cover 42 %

Visibility 10 km

10 AM

Partly Cloudy

21 °C

92 %

1.8

7.6 kmph / W

Feels 21 °C

Cover 51 %

Visibility 9 km

11 AM

Partly Cloudy

22 °C

88 %

3.1

6.5 kmph / W

Feels 23.8 °C

Cover 49 %

Visibility 9 km

12 PM

Partly Cloudy

23 °C

80 %

4 kmph / WSW

Feels 25 °C

Cover 35 %

Visibility 10 km

1 PM

Partly Cloudy

24 °C

72 %

5.5

7.2 kmph / SSW

Feels 25.8 °C

Cover 28 %

Visibility 9 km

2 PM

Cloudy

25 °C

67 %

4.3

6.8 kmph / SSW

Feels 26.2 °C

Cover 86 %

Visibility 10 km

3 PM

Overcast

25 °C

61 %

2.9

7.2 kmph / SSW

Feels 26.4 °C

Cover 95 %

Visibility 10 km

4 PM

Partly Cloudy

25 °C

54 %

0.8

15.5 kmph / SSW

Feels 26.4 °C

Cover 52 %

Visibility 10 km

5 PM

Partly Cloudy

26 °C

54 %

1.1

7.9 kmph / SSW

Feels 26.7 °C

Cover 29 %

Visibility 9 km

6 PM

Sunny

26 °C

50 %

0.8

11.2 kmph / SSW

Feels 26.6 °C

Cover 9 %

Visibility 9 km

7 PM

Sunny

25 °C

52 %

0.4

9 kmph / SSW

Feels 26 °C

Cover 12 %

Visibility 10 km

8 PM

Sunny

24 °C

53 %

0.1

7.6 kmph / SSW

Feels 25.3 °C

Cover 2 %

Visibility 10 km

9 PM

Clear

23 °C

52 %

9.4 kmph / W

Feels 24.9 °C

Cover 4 %

Visibility 10 km

10 PM

Clear

22 °C

54 %

7.9 kmph / WNW

Feels 21.5 °C

Cover 2 %

Visibility 10 km

11 PM

Clear

20 °C

57 %

7.2 kmph / W

Feels 19.9 °C

Cover 2 %

Visibility 10 km

Today

21°C

77 %

Saturday

17°C

64 %

Sunday

13°C

75 %

Monday

13°C

58 %

Tuesday

12°C

58 %

Wednesday

17°C

61 %

Thursday

17°C

83 %

Friday

13°C

72 %

Saturday

12°C

69 %

Sunday

14°C

78 %

Temp17 °C

ConditionModerate or heavy rain shower

Humidity98 %

Feels16.7 °C

Cover100 %

Visibility2 km

Wind Speed & Dir.3.2 kmph / SSW

UV0

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.

21°12 °C

5Tue.

19°12 °C

6Wed.

17°12 °C

7Thu.

27°14 °C

8Fri.

25°15 °C

9Sat.

20°17 °C

10Sun.

27°17 °C

11Mon.

28°17 °C

12Tue.

27°17 °C

13Wed.

18°12 °C

14Thu.

17°12 °C

15Fri.

28°14 °C

16Sat.

23°14 °C

17Sun.

18°10 °C

18Mon.

19°11 °C

19Tue.

22°15 °C

20Wed.

23°13 °C

21Thu.

23°16 °C

22Today

25°16 °C

23Sat.

22°14 °C

24Sun.

13°9 °C

25Mon.

19°8 °C

26Tue.

20°8 °C

27Wed.

23°12 °C

28Thu.

23°13 °C

29Fri.

24°14 °C

30Sat.

24°16 °C

31Sun.

24°13 °C

AugustWeather Overview

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Thunder Bay consist of 10 sunny days, 9 cloudy days, 5 rainy days, and 0 snowy days.

Thunder Bay's Locations Weather Conditions

Locations

Temp

Condition

Humi.

Wind Speed & Direction

James Street South

18 °C

Overcast

94%

3.6 kmph / SSW

Thunder Bay

18 °C

Overcast

94%

3.6 kmph / SSW

Canada's Hottest Cities - August 2025

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.

Grand Forks, Canada

22 °C

Clear

27%

7.2 kmph / NNW

Trail, Canada

21 °C

Clear

29%

6.8 kmph / N

North Cowichan, Canada

20 °C

Clear

48%

9.7 kmph / W

Coquitlam, Canada

20 °C

Clear

68%

4.7 kmph / NNE

Port Moody, Canada

20 °C

Clear

68%

4.7 kmph / NNE

New Westminster, Canada

20 °C

Clear

68%

3.6 kmph / NE

Burnaby, Canada

20 °C

Clear

68%

3.6 kmph / NE

Pitt Meadows, Canada

20 °C

Clear

68%

4.7 kmph / NE

Delta, Canada

20 °C

Clear

68%

12.6 kmph / WNW

10.

Creston, Canada

20 °C

Clear

37%

3.6 kmph / NW

Last Updated: 22 Aug 2025, 06:10 AM

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

Prana sense

Weather Station

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Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024.

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Thunder Bay Weather Conditions
Current Temperature Level