Thunder Bay International (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius; -
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius;
-
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 6° Celsius;
Partly cloudy.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay International
Today (22 October 2025)
| Time |
23:00
|
|---|---|
| Weather symbols |  |
| Chance of precipitation |
<5%
|
| Temperature |
4°
|
| Feels like temperature (°C) |
0°
|
| Wind direction and speed |
NNW
10
|
| Wind gust (mph) |
22
|
| Visibility |
VG
|
| Humidity |
85%
|
| UV | - |
Thursday (23 October 2025)
| 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%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
3°
|
| Feels like temperature (°C) |
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
| Wind direction and speed (mph) |
NNW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
12
|
NNW
12
|
NNW
12
|
NNW
12
|
NW
12
|
NW
12
|
NW
12
|
NW
11
|
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
8
|
| Wind gust (mph) |
21
|
21
|
21
|
21
|
22
|
22
|
22
|
23
|
23
|
24
|
26
|
28
|
28
|
28
|
27
|
27
|
27
|
26
|
23
|
22
|
20
|
19
|
18
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
85%
|
86%
|
86%
|
86%
|
87%
|
85%
|
85%
|
85%
|
84%
|
83%
|
77%
|
73%
|
72%
|
68%
|
69%
|
69%
|
72%
|
76%
|
78%
|
82%
|
84%
|
85%
|
85%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (24 October 2025)
| 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) |
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
3°
|
4°
|
4°
|
5°
|
5°
|
5°
|
6°
|
5°
|
4°
|
4°
|
4°
|
3°
|
3°
|
| Feels like temperature (°C) |
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
-1°
|
-1°
|
0°
|
1°
|
2°
|
3°
|
4°
|
4°
|
5°
|
5°
|
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
| Wind direction and speed (mph) |
NW
8
|
NW
8
|
NW
8
|
NW
8
|
NW
7
|
NW
7
|
NW
6
|
NW
6
|
NW
6
|
NW
6
|
NW
6
|
NNW
6
|
NNW
5
|
NNW
3
|
NW
2
|
W
2
|
SW
3
|
SSW
3
|
SSW
3
|
S
4
|
SSE
4
|
S
5
|
S
5
|
S
5
|
| Wind gust (mph) |
17
|
16
|
16
|
16
|
15
|
14
|
13
|
13
|
13
|
13
|
14
|
14
|
13
|
11
|
9
|
8
|
9
|
8
|
8
|
8
|
8
|
9
|
8
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
85%
|
85%
|
86%
|
86%
|
86%
|
85%
|
85%
|
85%
|
85%
|
78%
|
70%
|
65%
|
63%
|
62%
|
59%
|
61%
|
63%
|
73%
|
77%
|
81%
|
83%
|
84%
|
85%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Saturday (25 October 2025)
| 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%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
4°
|
5°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
7°
|
6°
|
| Feels like temperature (°C) |
1°
|
1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
1°
|
2°
|
3°
|
5°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
| Wind direction and speed (mph) |
S
4
|
SSE
5
|
SSE
5
|
SSE
5
|
SSE
5
|
SE
5
|
SE
5
|
SE
5
|
SE
6
|
SE
6
|
SE
6
|
SSE
6
|
SSE
8
|
SSE
8
|
SSE
9
|
SSE
8
|
SSE
8
|
SSE
7
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
5
|
SSE
5
|
SSE
5
|
| Wind gust (mph) |
8
|
9
|
9
|
9
|
9
|
10
|
10
|
10
|
11
|
12
|
13
|
18
|
19
|
20
|
20
|
19
|
18
|
17
|
14
|
11
|
10
|
10
|
10
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
85%
|
85%
|
86%
|
87%
|
87%
|
87%
|
87%
|
88%
|
90%
|
90%
|
87%
|
82%
|
76%
|
74%
|
74%
|
72%
|
74%
|
76%
|
79%
|
86%
|
89%
|
91%
|
92%
|
92%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (26 October 2025)
| 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) |
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
6°
|
5°
|
5°
|
6°
|
7°
|
8°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
10°
|
8°
|
8°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
4°
|
5°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Wind direction and speed (mph) |
SSE
5
|
SSE
5
|
SSE
5
|
SSE
4
|
SSE
4
|
SSE
5
|
SSE
5
|
SSE
4
|
SSE
5
|
SSE
5
|
SSE
5
|
SSE
5
|
SSE
7
|
SSE
8
|
SSE
9
|
SSE
8
|
SE
8
|
SE
7
|
SE
7
|
SE
6
|
SE
7
|
SE
7
|
SE
8
|
SE
8
|
| Wind gust (mph) |
10
|
9
|
9
|
8
|
8
|
9
|
8
|
8
|
8
|
9
|
12
|
16
|
18
|
20
|
20
|
20
|
19
|
17
|
14
|
13
|
14
|
15
|
16
|
16
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
93%
|
94%
|
95%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
95%
|
94%
|
90%
|
82%
|
77%
|
75%
|
74%
|
74%
|
76%
|
81%
|
86%
|
88%
|
89%
|
90%
|
91%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Monday (27 October 2025)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
10°
|
10°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
6°
|
6°
|
| Wind direction and speed (mph) |
SE
8
|
SE
8
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
8
|
SE
9
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
ESE
11
|
ESE
10
|
ESE
10
|
ESE
11
|
SE
11
|
| Wind gust (mph) |
16
|
15
|
16
|
15
|
14
|
14
|
14
|
15
|
16
|
17
|
19
|
22
|
23
|
24
|
23
|
24
|
23
|
24
|
23
|
23
|
25
|
25
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
91%
|
91%
|
92%
|
92%
|
92%
|
91%
|
92%
|
93%
|
93%
|
93%
|
91%
|
86%
|
82%
|
77%
|
76%
|
76%
|
78%
|
82%
|
87%
|
90%
|
90%
|
91%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - |
Tuesday (28 October 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
9°
|
8°
|
8°
|
8°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
5°
|
6°
|
5°
|
5°
|
5°
|
| Wind direction and speed (mph) |
SE
11
|
SE
11
|
SE
11
|
SE
12
|
SE
12
|
SE
12
|
ESE
11
|
SE
10
|
| Wind gust (mph) |
24
|
25
|
27
|
29
|
28
|
27
|
24
|
22
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
88%
|
89%
|
91%
|
87%
|
82%
|
79%
|
88%
|
88%
|
| UV | - | - | 1 | 1 | 2 | 1 | - | - |
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Forecast
Forecast for 23:00 (UTC-4), Wed
Updated 01:28 (UTC+1) on Thu 23 Oct 2025
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