Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be 12°C. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Wednesday
4th Nov
12

7

0

0
Thursday
5th Nov
7

0

1

1
Friday
6th Nov
4

-2

7

2
Saturday
7th Nov
6

-3

6

1
Sunday
8th Nov
9

2

8

2

5-day weather forecast updated at 04:00 on Wednesday 4th 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 Wednesday 4th November 2026

Expect cloudy with some rain in Thunder Bay, Ontario with a maximum temperature of 12°C and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 20 kph from the north-east.

12
°C maximum temperature
7
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
100
% chance of some rain
<40
mm of rainfall expected
12
°C wind chill
20
kph wind from NE

Thunder Bay weather for Thursday 5th November 2026

Expect mostly cloudy with rain in Thunder Bay, Ontario with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 18% chance of some rain and a moderate breeze of 28 kph from the north.

7
°C maximum temperature
0
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
18
% chance of some rain
<10
mm of rainfall expected
2
°C wind chill
28
kph wind from N

Thunder Bay weather for Friday 6th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 4°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

4
°C maximum temperature
-2
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
14
kph wind from N

Thunder Bay weather for Saturday 7th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 6°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

6
°C maximum temperature
-3
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
14
kph wind from SW

Thunder Bay weather for Sunday 8th November 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 9°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

9
°C maximum temperature
2
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
19
kph wind from W

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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