Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be 18°F. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Monday
2nd Feb
18

0

5

1
Tuesday
3rd Feb
10

-6

9

1
Wednesday
4th Feb
19

-4

2

1
Thursday
5th Feb
30

7

1

1
Friday
6th Feb
19

0

7

1

5-day weather forecast updated at 04:01 on Monday 2nd February 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 Monday 2nd February 2026

Expect clear skies with flurries of snow in Thunder Bay, Ontario with a maximum temperature of 18°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 3% chance of some snow and a gentle breeze of 10 mph from the north-west.

18
°F maximum temperature
0
°F minimum temperature
clear skies with flurries of snow
5
hours of sunshine
1
UV index (Low)
3
% chance of some snow
<2
cm of snow expected
7
°F wind chill
10
mph wind from NW

Thunder Bay weather for Tuesday 3rd February 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 10°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the north-west.

10
°F maximum temperature
-6
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
cm of snow expected
1
°F wind chill
6
mph wind from NW

Thunder Bay weather for Wednesday 4th February 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 19°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and little or no wind of 4 mph from the north-west.

19
°F maximum temperature
-4
°F minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
cm of snow expected
14
°F wind chill
4
mph wind from NW

Thunder Bay weather for Thursday 5th February 2026

Expect overcast skies in Thunder Bay, Ontario with a maximum temperature of 30°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 10 mph from the west.

30
°F maximum temperature
7
°F minimum temperature
overcast skies
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
21
°F wind chill
10
mph wind from W

Thunder Bay weather for Friday 6th February 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 19°F, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 12 mph from the north.

19
°F maximum temperature
0
°F minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
cm of snow expected
9
°F wind chill
12
mph wind from N

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Ontario - quick facts
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Time difference	UK -5 to -6 hours
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