Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be 11°C. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Saturday
31st Oct
11

-2

7

2
Sunday
1st Nov
13

5

1

1
Monday
2nd Nov
13

8

1

1
Tuesday
3rd Nov
12

8

0

1
Wednesday
4th Nov
12

7

0

0

5-day weather forecast updated at 04:00 on Saturday 31st October 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 31st October 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 11°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

11
°C maximum temperature
-2
°C minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Thunder Bay weather for Sunday 1st November 2026

Expect overcast skies in Thunder Bay, Ontario with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

13
°C maximum temperature
5
°C minimum temperature
overcast skies
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
4
kph wind from S

Thunder Bay weather for Monday 2nd November 2026

Expect overcast skies in Thunder Bay, Ontario with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.

13
°C maximum temperature
8
°C minimum temperature
overcast skies
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from SE

Thunder Bay weather for Tuesday 3rd November 2026

Expect cloudy with some rain in Thunder Bay, Ontario with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 13 kph from the east.

12
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
83
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

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 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 15 kph from the north.

12
°C maximum temperature
7
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
85
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

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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