Thunder Bay Weather Conditions
Current Temperature Level

-8 °C

Freezing

Light snowFeels Like -15°CHumidity 85%

33 AQI

PM2.5 : 6PM10 : 8

Air quality index is: Good

Last Updated: 2025-12-05 00:00 (Local Time)

Map

Thunder Bay

Thunder Bay Weather Parameters

Wind Speed

19 km/h

Light breeze

Gust Speed

7 m/s

Direction

249° WSW

Cloud Cover

100 %

Visibility

6.4 km

Precipitation

0.29 mm

Pressure

996

997

998

999

1000

1001

1002

1003

1004

1005

1006

1007

1005 mb

Low

940956

981

1005

Moderate

1013

1030

1046+

UV Index

UV Index0

Low

Suggestions for

TodayThunder Bay

5 Dec.

Umbrella• Optional

Clothing• More Layered

Driving• Drive Safely

Sunscreen• Apply

Thunder Bay 10-Days Weather Forecast

See Monthly

Today

-9°C

77 %

Saturday

-10°C

60 %

Sunday

-12°C

63 %

Monday

-13°C

86 %

Tuesday

-11°C

90 %

Wednesday

-14°C

76 %

Thursday

-13°C

84 %

Friday

-13°C

83 %

Saturday

-11°C

86 %

Sunday

-9°C

79 %

Today5 Dec

Moderate snow

Moderate snow showers with a high of -9 °C. Winds will be at 21.6 km/h, and humidity at 77%.

-5°C / -13°C

Humi.77 %

Prec.1.41 mm

Sunrise

08:32 AM

8hrs 31min

Sunset

05:03 PM

Temperature (°C)

12 AMTime11 PM

Time

Condition

Temp

Humidity

Wind Speed & Dir.

12 AM

Patchy moderate snow

-9 °C

86 %

21.6 kmph / WSW

Feels -14.9 °C

Cover 55 %

Visibility 2 km

1 AM

Light snow

-8 °C

85 %

19.1 kmph / WSW

Feels -15.6 °C

Cover 100 %

Visibility 6.4 km

2 AM

Light freezing rain

-11 °C

79 %

15.8 kmph / WSW

Feels -16.2 °C

Cover 83 %

Visibility 10 km

3 AM

Light freezing rain

-11 °C

77 %

14 kmph / WSW

Feels -16.2 °C

Cover 88 %

Visibility 10 km

4 AM

Clear

-11 °C

77 %

11.5 kmph / W

Feels -16.2 °C

Cover 8 %

Visibility 10 km

5 AM

Clear

-11 °C

77 %

10.4 kmph / W

Feels -16.3 °C

Cover 4 %

Visibility 10 km

6 AM

Clear

-12 °C

77 %

10.1 kmph / W

Feels -16.8 °C

Cover 2 %

Visibility 10 km

7 AM

Clear

-12 °C

71 %

9.7 kmph / WNW

Feels -16.2 °C

Cover 2 %

Visibility 10 km

8 AM

Clear

-12 °C

73 %

9 kmph / WNW

Feels -17.2 °C

Cover 4 %

Visibility 10 km

9 AM

Partly Cloudy

-11 °C

77 %

6.8 kmph / WNW

Feels -17.2 °C

Cover 29 %

Visibility 10 km

10 AM

Partly Cloudy

-11 °C

78 %

0.2

6.5 kmph / WNW

Feels -16.2 °C

Cover 45 %

Visibility 10 km

11 AM

Partly Cloudy

-10 °C

75 %

0.4

5.8 kmph / W

Feels -14.6 °C

Cover 38 %

Visibility 10 km

12 PM

Partly Cloudy

-9 °C

72 %

0.7

6.8 kmph / WSW

Feels -12.7 °C

Cover 55 %

Visibility 10 km

1 PM

Cloudy

-8 °C

70 %

0.7

8.6 kmph / WSW

Feels -11.5 °C

Cover 67 %

Visibility 10 km

2 PM

Cloudy

-7 °C

70 %

0.6

10.8 kmph / WSW

Feels -10.5 °C

Cover 81 %

Visibility 10 km

3 PM

Overcast

-6 °C

69 %

0.3

11.9 kmph / WSW

Feels -9.9 °C

Cover 94 %

Visibility 10 km

4 PM

Overcast

-6 °C

70 %

0.2

12.2 kmph / WSW

Feels -9.5 °C

Cover 100 %

Visibility 10 km

5 PM

Overcast

-6 °C

71 %

11.9 kmph / W

Feels -9.3 °C

Cover 100 %

Visibility 10 km

6 PM

Overcast

-6 °C

75 %

11.5 kmph / W

Feels -9.9 °C

Cover 100 %

Visibility 10 km

7 PM

Overcast

-6 °C

89 %

11.5 kmph / W

Feels -10.9 °C

Cover 100 %

Visibility 10 km

8 PM

Overcast

-7 °C

88 %

11.9 kmph / W

Feels -12.2 °C

Cover 100 %

Visibility 10 km

9 PM

Overcast

-7 °C

85 %

13.3 kmph / WNW

Feels -13.2 °C

Cover 78 %

Visibility 10 km

10 PM

Overcast

-7 °C

83 %

16.6 kmph / WNW

Feels -13.9 °C

Cover 68 %

Visibility 10 km

11 PM

Cloudy

-8 °C

78 %

20.9 kmph / NW

Feels -15.1 °C

Cover 67 %

Visibility 10 km

Today

-9°C

77 %

Saturday

-10°C

60 %

Sunday

-12°C

63 %

Monday

-13°C

86 %

Tuesday

-11°C

90 %

Wednesday

-14°C

76 %

Thursday

-13°C

84 %

Friday

-13°C

83 %

Saturday

-11°C

86 %

Sunday

-9°C

79 %

Temp-8 °C

ConditionLight snow

Humidity85 %

Feels-15.6 °C

Cover100 %

Visibility6.4 km

Wind Speed & Dir.19.1 kmph / WSW

UV0

Thunder Bay 30-Days (December 2025) Weather Forecast

See Hourly

Sun.

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

1Mon.

-8°-16 °C

2Tue.

-5°-18 °C

3Wed.

-10°-18 °C

4Thu.

-9°-25 °C

5Today

-5°-13 °C

6Sat.

-8°-14 °C

7Sun.

-6°-15 °C

8Mon.

-8°-17 °C

9Tue.

-7°-13 °C

10Wed.

-13°-17 °C

11Thu.

-10°-17 °C

12Fri.

-11°-16 °C

13Sat.

-7°-17 °C

14Sun.

-4°-14 °C

15Mon.

-12°-18 °C

16Tue.

-4°-10 °C

17Wed.

-10°-15 °C

18Thu.

-5°-12 °C

19Fri.

-5°-12 °C

20Sat.

-4°-11 °C

21Sun.

-6°-10 °C

22Mon.

-4°-9 °C

23Tue.

-4°-9 °C

24Wed.

-4°-10 °C

25Thu.

-5°-10 °C

26Fri.

-6°-11 °C

27Sat.

-5°-11 °C

28Sun.

-5°-13 °C

29Mon.

-6°-12 °C

30Tue.

-7°-12 °C

31Wed.

-9°-15 °C

DecemberWeather Overview

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Thunder Bay consist of 3 sunny days, 5 cloudy days, 2 rainy days, and 21 snowy days.

Canada's Hottest Cities - December 2025

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.

Sooke, Canada

8 °C

Overcast

100%

11.2 kmph / SE

Port Alberni, Canada

8 °C

Mist

91%

4 kmph / NNE

Nanaimo, Canada

8 °C

Light drizzle

91%

5 kmph / E

Colwood, Canada

8 °C

Fog

97%

7.2 kmph / NE

Victoria, Canada

8 °C

Fog

97%

7.2 kmph / NE

Duncan, Canada

7 °C

Partly cloudy

100%

5.8 kmph / ENE

Mayne Island, Canada

7 °C

Mist

93%

5.8 kmph / ENE

Richmond, Canada

7 °C

Mist

100%

4.7 kmph / ENE

Courtenay, Canada

7 °C

Light drizzle

93%

3.6 kmph / NNE

10.

Vancouver, Canada

7 °C

Mist

100%

4.7 kmph / ENE

Last Updated: 05 Dec 2025, 05:21 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

Thunder Bay 10-Days Weather Forecast

Thunder Bay 30-Days (December 2025) Weather Forecast

DecemberWeather Overview

No. of days:

Canada's Hottest Cities - December 2025

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Thunder Bay Weather Conditions
Current Temperature Level