Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be 3°C. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Thursday
12th Nov
3

-3

1

0
Friday
13th Nov
3

-4

5

1
Saturday
14th Nov
4

-4

2

1
Sunday
15th Nov
6

-5

2

1
Monday
16th Nov
9

-2

1

1

5-day weather forecast updated at 04:00 on Thursday 12th 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 Thursday 12th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 3°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

3
°C maximum temperature
-3
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
-1
°C wind chill
18
kph wind from N

Thunder Bay weather for Friday 13th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

3
°C maximum temperature
-4
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
15
kph wind from N

Thunder Bay weather for Saturday 14th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

4
°C maximum temperature
-4
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
11
kph wind from N

Thunder Bay weather for Sunday 15th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 6°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

6
°C maximum temperature
-5
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
8
kph wind from SW

Thunder Bay weather for Monday 16th November 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

9
°C maximum temperature
-2
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
14
kph wind from SW

More about Ontario

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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