Thunder Bay (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -6° Celsius;
Maximum daytime temperature: -3 degrees Celsius; Minimum nighttime temperature: -6 degrees Celsius; -
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -17° Celsius;
Maximum daytime temperature: -4 degrees Celsius; Minimum nighttime temperature: -17 degrees Celsius; -
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -12° Celsius;
Maximum daytime temperature: -2 degrees Celsius; Minimum nighttime temperature: -12 degrees Celsius; -
Maximum daytime temperature: -7° Celsius; Minimum nighttime temperature: -17° Celsius;
Maximum daytime temperature: -7 degrees Celsius; Minimum nighttime temperature: -17 degrees Celsius;
-
Maximum daytime temperature: -10° Celsius; Minimum nighttime temperature: -19° Celsius;Maximum daytime temperature: -10 degrees Celsius; Minimum nighttime temperature: -19 degrees Celsius;
-
Maximum daytime temperature: -7° Celsius; Minimum nighttime temperature: -17° Celsius;
Maximum daytime temperature: -7 degrees Celsius; Minimum nighttime temperature: -17 degrees Celsius;
-
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -6° Celsius;
Maximum daytime temperature: -4 degrees Celsius; Minimum nighttime temperature: -6 degrees Celsius;
Partly cloudy changing to sunny intervals by late morning.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay
Today (12 March 2026)
| Time |
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
|
 |
|
|
 |
|
|
|
|
|
|
|
|
|
|
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
| Temperature |
-6°
|
-7°
|
-7°
|
-7°
|
-7°
|
-8°
|
-8°
|
-8°
|
-8°
|
-7°
|
-6°
|
-5°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-5°
|
-6°
|
-5°
|
-5°
|
-5°
|
| Feels like temperature (°C) |
-12°
|
-13°
|
-13°
|
-14°
|
-13°
|
-13°
|
-14°
|
-13°
|
-12°
|
-10°
|
-8°
|
-7°
|
-8°
|
-7°
|
-8°
|
-9°
|
-10°
|
-11°
|
-11°
|
-12°
|
-12°
|
-12°
|
| Wind direction and speed |
WNW
10
|
WNW
10
|
NW
10
|
NW
10
|
NW
9
|
NW
8
|
NW
7
|
NW
6
|
NW
6
|
NNW
4
|
NNW
3
|
S
3
|
S
5
|
SSE
6
|
SSE
8
|
SE
8
|
SE
9
|
SE
9
|
ESE
10
|
ESE
11
|
ESE
13
|
ESE
15
|
| Wind gust (mph) |
19
|
19
|
18
|
17
|
16
|
15
|
13
|
13
|
12
|
11
|
10
|
12
|
15
|
17
|
18
|
19
|
18
|
18
|
21
|
24
|
27
|
30
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
56%
|
59%
|
65%
|
66%
|
70%
|
71%
|
72%
|
66%
|
60%
|
52%
|
47%
|
41%
|
41%
|
42%
|
51%
|
54%
|
60%
|
65%
|
72%
|
74%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Friday (13 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
40%
|
60%
|
70%
|
80%
|
90%
|
80%
|
80%
|
70%
|
70%
|
40%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-7°
|
-7°
|
-6°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-6°
|
-6°
|
-7°
|
-9°
|
| Feels like temperature (°C) |
-12°
|
-12°
|
-12°
|
-13°
|
-13°
|
-12°
|
-12°
|
-12°
|
-13°
|
-13°
|
-14°
|
-14°
|
-13°
|
-12°
|
-12°
|
-11°
|
-10°
|
-10°
|
-10°
|
-11°
|
-11°
|
-12°
|
-13°
|
-14°
|
| Wind direction and speed (mph) |
ESE
16
|
E
18
|
E
19
|
E
19
|
E
19
|
E
19
|
ENE
17
|
ENE
16
|
NE
14
|
NNE
13
|
NNE
13
|
N
12
|
N
12
|
N
12
|
NNW
13
|
NNW
13
|
NNW
13
|
NNW
13
|
NNW
12
|
NNW
12
|
NNW
10
|
NNW
9
|
NNW
8
|
NNW
7
|
| Wind gust (mph) |
33
|
35
|
36
|
36
|
36
|
35
|
33
|
30
|
27
|
26
|
25
|
26
|
26
|
26
|
27
|
27
|
26
|
26
|
25
|
23
|
19
|
17
|
16
|
14
|
| Visibility (description) |
VG
|
VG
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
78%
|
86%
|
95%
|
98%
|
99%
|
100%
|
97%
|
94%
|
91%
|
85%
|
80%
|
71%
|
70%
|
67%
|
63%
|
58%
|
56%
|
53%
|
55%
|
61%
|
63%
|
66%
|
69%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (14 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-9°
|
-10°
|
-12°
|
-12°
|
-14°
|
-15°
|
-16°
|
-16°
|
-17°
|
-16°
|
-12°
|
-9°
|
-7°
|
-5°
|
-4°
|
-3°
|
-2°
|
-2°
|
-2°
|
-3°
|
-5°
|
-6°
|
-8°
|
-9°
|
| Feels like temperature (°C) |
-15°
|
-16°
|
-17°
|
-17°
|
-18°
|
-20°
|
-21°
|
-21°
|
-22°
|
-21°
|
-16°
|
-13°
|
-11°
|
-10°
|
-9°
|
-8°
|
-7°
|
-7°
|
-7°
|
-8°
|
-9°
|
-11°
|
-12°
|
-12°
|
| Wind direction and speed (mph) |
NW
7
|
NW
7
|
NW
6
|
NW
5
|
NW
5
|
NW
5
|
NW
4
|
NW
4
|
WNW
4
|
WNW
3
|
W
3
|
WSW
4
|
SW
5
|
SW
6
|
SW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
W
6
|
W
6
|
W
5
|
WNW
4
|
| Wind gust (mph) |
14
|
11
|
10
|
9
|
8
|
7
|
7
|
7
|
6
|
6
|
8
|
10
|
14
|
17
|
18
|
19
|
18
|
17
|
17
|
13
|
10
|
10
|
8
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
76%
|
79%
|
79%
|
83%
|
84%
|
85%
|
84%
|
85%
|
84%
|
83%
|
71%
|
63%
|
56%
|
54%
|
51%
|
50%
|
50%
|
52%
|
56%
|
66%
|
74%
|
82%
|
84%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Sunday (15 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-10°
|
-10°
|
-10°
|
-10°
|
-10°
|
-10°
|
-9°
|
-10°
|
-10°
|
-10°
|
-10°
|
-9°
|
-9°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-9°
|
-10°
|
-11°
|
-11°
|
-12°
|
| Feels like temperature (°C) |
-14°
|
-15°
|
-14°
|
-15°
|
-15°
|
-15°
|
-15°
|
-16°
|
-17°
|
-17°
|
-17°
|
-17°
|
-16°
|
-15°
|
-15°
|
-15°
|
-15°
|
-15°
|
-16°
|
-17°
|
-18°
|
-19°
|
-20°
|
-21°
|
| Wind direction and speed (mph) |
NW
5
|
NW
5
|
NNW
5
|
N
5
|
N
6
|
N
6
|
N
8
|
N
9
|
NNE
9
|
NNE
10
|
NNE
11
|
NNE
11
|
NNE
12
|
NNE
12
|
NNE
12
|
NNE
12
|
NNE
12
|
NNE
13
|
NNE
13
|
NNE
13
|
NNE
13
|
NNE
14
|
NNE
14
|
N
14
|
| Wind gust (mph) |
8
|
8
|
9
|
10
|
12
|
14
|
16
|
18
|
19
|
22
|
23
|
24
|
25
|
25
|
25
|
25
|
26
|
27
|
27
|
27
|
27
|
28
|
28
|
29
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
83%
|
84%
|
84%
|
83%
|
82%
|
77%
|
76%
|
77%
|
75%
|
71%
|
66%
|
62%
|
57%
|
57%
|
54%
|
51%
|
51%
|
50%
|
53%
|
57%
|
58%
|
61%
|
62%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Monday (16 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-12°
|
-13°
|
-14°
|
-14°
|
-15°
|
-15°
|
-16°
|
-16°
|
-17°
|
-17°
|
-17°
|
-16°
|
-14°
|
-13°
|
-12°
|
-11°
|
-10°
|
-10°
|
-10°
|
-10°
|
-11°
|
-13°
|
| Feels like temperature (°C) |
-22°
|
-23°
|
-24°
|
-24°
|
-25°
|
-26°
|
-26°
|
-27°
|
-27°
|
-28°
|
-27°
|
-26°
|
-24°
|
-22°
|
-21°
|
-19°
|
-18°
|
-18°
|
-18°
|
-18°
|
-19°
|
-20°
|
| Wind direction and speed (mph) |
N
14
|
N
14
|
N
15
|
N
16
|
N
16
|
NNW
16
|
NNW
16
|
NNW
16
|
NNW
15
|
NNW
15
|
NNW
15
|
NNW
16
|
NNW
15
|
NNW
15
|
NNW
14
|
NNW
14
|
NNW
13
|
NNW
13
|
NNW
13
|
NNW
12
|
NW
11
|
NW
9
|
| Wind gust (mph) |
29
|
31
|
32
|
32
|
32
|
32
|
32
|
31
|
30
|
31
|
32
|
32
|
31
|
30
|
30
|
29
|
28
|
28
|
26
|
24
|
21
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
63%
|
63%
|
64%
|
64%
|
64%
|
64%
|
63%
|
63%
|
61%
|
58%
|
55%
|
51%
|
45%
|
42%
|
39%
|
39%
|
37%
|
35%
|
36%
|
37%
|
39%
|
44%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | - | - | - |
Tuesday (17 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
-15°
|
-17°
|
-19°
|
-14°
|
-9°
|
-8°
|
-10°
|
-13°
|
| Feels like temperature (°C) |
-23°
|
-24°
|
-27°
|
-20°
|
-15°
|
-13°
|
-15°
|
-18°
|
| Wind direction and speed (mph) |
NW
8
|
NW
8
|
NW
7
|
NW
7
|
WNW
7
|
W
7
|
WSW
6
|
WSW
5
|
| Wind gust (mph) |
15
|
14
|
14
|
19
|
18
|
17
|
11
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
59%
|
71%
|
48%
|
38%
|
33%
|
44%
|
67%
|
| UV | - | - | - | 2 | 4 | 1 | - | - |
Wednesday (18 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
10%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
-16°
|
-15°
|
-14°
|
-8°
|
-5°
|
-4°
|
-5°
|
-5°
|
| Feels like temperature (°C) |
-21°
|
-20°
|
-19°
|
-13°
|
-10°
|
-9°
|
-10°
|
-9°
|
| Wind direction and speed (mph) |
WSW
4
|
WNW
4
|
E
5
|
SE
6
|
SSE
8
|
SSE
8
|
SSE
7
|
SSE
6
|
| Wind gust (mph) |
8
|
9
|
14
|
18
|
18
|
18
|
14
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
84%
|
90%
|
73%
|
58%
|
65%
|
83%
|
87%
|
| UV | - | - | - | 2 | 3 | 1 | - | - |
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Forecast
Forecast for 3am (UTC-4) Thursday
Updated 00:22 (UTC) on Thu 12 Mar 2026
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