Thunder Bay Weather Conditions
Current Temperature Level

12 °C

Cool

FogFeels Like 13°CHumidity 100%

42 AQI

PM2.5 : 7PM10 : 13

Air quality index is: Good

Last Updated: 2025-08-31 04:00 (Local Time)

Map

Thunder Bay

Thunder Bay Weather Parameters

Wind Speed

4 km/h

Light breeze

Gust Speed

1 m/s

Direction

13° NNE

Cloud Cover

25 %

Visibility

16 km

Precipitation

0 mm

Pressure

1020

1021

1022

1023

1024

1025

1026

1027

1028

1029

1030

1031

1021 mb

High

940956

981

1005

Moderate

1013

1030

1046+

UV Index

UV Index0

Low

Suggestions for

TodayThunder Bay

31 Aug.

Hydration• Use Moisturizers

Clothing• Layering Must

Driving• Drive Safely

Sunscreen• Apply

Trending in Canada

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Thunder Bay 10-Days Weather Forecast

See Monthly

Today

17°C

96 %

Monday

18°C

93 %

Tuesday

18°C

91 %

Wednesday

8°C

88 %

Thursday

3°C

97 %

Friday

5°C

95 %

Saturday

7°C

80 %

Sunday

8°C

74 %

Monday

9°C

75 %

Tuesday

11°C

76 %

Today31 Aug

Fog

Dense fog throughout the day. Humidity will be near 96%, with winds at 11.2 km/h.

19°C / 15°C

Humi.96 %

Prec.0 mm

Sunrise

07:14 AM

13hrs 26min

Sunset

08:40 PM

Temperature (°C)

12 AMTime11 PM

Time

Condition

Temp

Humidity

Wind Speed & Dir.

12 AM

Fog

16 °C

98 %

2.9 kmph / NW

Feels 16.4 °C

Cover 100 %

Visibility 10 km

1 AM

Fog

16 °C

98 %

2.5 kmph / WNW

Feels 16.1 °C

Cover 100 %

Visibility 10 km

2 AM

Fog

16 °C

98 %

2.9 kmph / W

Feels 15.9 °C

Cover 100 %

Visibility 10 km

3 AM

Fog

16 °C

98 %

3.6 kmph / NNW

Feels 15.8 °C

Cover 100 %

Visibility 10 km

4 AM

Fog

12 °C

100 %

3.6 kmph / NNE

Feels 15.8 °C

Cover 25 %

Visibility 16 km

5 AM

Fog

16 °C

98 %

1.4 kmph / WNW

Feels 15.6 °C

Cover 100 %

Visibility 10 km

6 AM

Fog

15 °C

98 %

1.8 kmph / NNW

Feels 15.3 °C

Cover 100 %

Visibility 10 km

7 AM

Fog

15 °C

98 %

1.4 kmph / NNE

Feels 15.6 °C

Cover 100 %

Visibility 2 km

8 AM

Fog

15 °C

98 %

0.1

1.1 kmph / NNE

Feels 15.4 °C

Cover 100 %

Visibility 2 km

9 AM

Fog

16 °C

98 %

0.6

1.1 kmph / NW

Feels 15.8 °C

Cover 100 %

Visibility 10 km

10 AM

Fog

16 °C

97 %

1.5

0.7 kmph / WSW

Feels 16.4 °C

Cover 100 %

Visibility 10 km

11 AM

Mist

17 °C

97 %

2.9

2.9 kmph / SSE

Feels 17 °C

Cover 100 %

Visibility 10 km

12 PM

Mist

18 °C

96 %

4.4

5.8 kmph / SSE

Feels 17.7 °C

Cover 96 %

Visibility 10 km

1 PM

Cloudy

18 °C

93 %

5.5

8.6 kmph / SSE

Feels 18.3 °C

Cover 86 %

Visibility 10 km

2 PM

Cloudy

19 °C

90 %

5.9

10.8 kmph / SSE

Feels 18.6 °C

Cover 68 %

Visibility 10 km

3 PM

Cloudy

19 °C

90 %

5.3

11.2 kmph / SSE

Feels 18.7 °C

Cover 67 %

Visibility 10 km

4 PM

Cloudy

19 °C

90 %

3.8

9.4 kmph / SSE

Feels 18.5 °C

Cover 65 %

Visibility 10 km

5 PM

Cloudy

18 °C

91 %

2.1

9.7 kmph / SSE

Feels 18.1 °C

Cover 65 %

Visibility 10 km

6 PM

Cloudy

18 °C

92 %

1.1

9.7 kmph / SSE

Feels 17.7 °C

Cover 66 %

Visibility 10 km

7 PM

Thundery outbreaks in nearby

17 °C

94 %

0.5

7.9 kmph / SSE

Feels 17.2 °C

Cover 66 %

Visibility 10 km

8 PM

Mist

17 °C

96 %

6.1 kmph / SSE

Feels 16.5 °C

Cover 67 %

Visibility 9 km

9 PM

Fog

16 °C

97 %

4.7 kmph / SSE

Feels 16 °C

Cover 100 %

Visibility 2 km

10 PM

Fog

16 °C

97 %

4.3 kmph / SE

Feels 15.6 °C

Cover 100 %

Visibility 2 km

11 PM

Fog

15 °C

97 %

3.6 kmph / SSE

Feels 15.6 °C

Cover 100 %

Visibility 2 km

Today

17°C

96 %

Monday

18°C

93 %

Tuesday

18°C

91 %

Wednesday

8°C

88 %

Thursday

3°C

97 %

Friday

5°C

95 %

Saturday

7°C

80 %

Sunday

8°C

74 %

Monday

9°C

75 %

Tuesday

11°C

76 %

Temp16 °C

ConditionFog

Humidity98 %

Feels15.6 °C

Cover100 %

Visibility10 km

Wind Speed & Dir.1.4 kmph / WNW

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.

24°13 °C

22Fri.

29°16 °C

23Sat.

23°14 °C

24Sun.

18°12 °C

25Mon.

21°6 °C

26Tue.

23°5 °C

27Wed.

23°13 °C

28Thu.

19°9 °C

29Fri.

21°5 °C

30Sat.

25°12 °C

31Today

18°13 °C

AugustWeather Overview

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Thunder Bay consist of 11 sunny days, 6 cloudy days, 4 rainy days, and 0 snowy days.

Thunder Bay's Locations Weather Conditions

Locations

Temp

Condition

Humi.

Wind Speed & Direction

James Street South

12 °C

Fog

100%

3.6 kmph / NNE

Thunder Bay

12 °C

Fog

100%

3.6 kmph / NNE

Canada's Hottest Cities - August 2025

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.

Flin Flon, Canada

26 °C

Clear

37%

9.4 kmph / WSW

Chard, Canada

24 °C

Thundery outbreaks in nearby

45%

6.8 kmph / WSW

Cold Lake, Canada

23 °C

Thundery outbreaks in nearby

47%

3.6 kmph / WNW

Conklin, Canada

23 °C

Thundery outbreaks in nearby

47%

6.5 kmph / SW

Pinehouse, Canada

22 °C

Clear

51%

10.1 kmph / WSW

Fort McMurray, Canada

21 °C

Thundery outbreaks in nearby

54%

6.1 kmph / NNW

Fort McKay, Canada

21 °C

Patchy rain nearby

54%

15.1 kmph / N

Anzac, Canada

21 °C

Thundery outbreaks in nearby

54%

6.1 kmph / NNW

Mildred Lake, Canada

21 °C

Patchy rain nearby

54%

15.1 kmph / N

10.

Wood Buffalo, Canada

21 °C

Thundery outbreaks in nearby

54%

5.4 kmph / WNW

Last Updated: 31 Aug 2025, 08:26 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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Thunder Bay Weather Conditions
Current Temperature Level