Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be 41°F. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Saturday
14th Nov
41

23

6

1
Sunday
15th Nov
43

25

9

1
Monday
16th Nov
48

30

7

1
Tuesday
17th Nov
50

34

3

1
Wednesday
18th Nov
50

37

1

0

5-day weather forecast updated at 04:00 on Saturday 14th November 2026 GMT

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The 5-day weather forecast for Ontario (Thunder Bay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Thunder Bay weather forecast by day

Below are the detailed weather forecasts for Thunder Bay for the next 5 days.

Thunder Bay weather for Saturday 14th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 41°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north-west.

41
°F maximum temperature
23
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
37
°F wind chill
5
mph wind from NW

Thunder Bay weather for Sunday 15th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 43°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

43
°F maximum temperature
25
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
7
mph wind from SW

Thunder Bay weather for Monday 16th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 48°F, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

48
°F maximum temperature
30
°F minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
45
°F wind chill
9
mph wind from SW

Thunder Bay weather for Tuesday 17th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 50°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

50
°F maximum temperature
34
°F minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
46
°F wind chill
7
mph wind from SW

Thunder Bay weather for Wednesday 18th November 2026

Expect overcast skies in Thunder Bay, Ontario with a maximum temperature of 50°F and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

50
°F maximum temperature
37
°F minimum temperature
overcast skies
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
46
°F wind chill
9
mph wind from SW

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Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes