Thunder Bay International (Canada) weather
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Forecast days
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 18° Celsius;
Sunny.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay International
Today (15 August 2025)
| Time |
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
 |
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature |
27°
|
28°
|
28°
|
28°
|
27°
|
26°
|
25°
|
23°
|
22°
|
| Feels like temperature (°C) |
28°
|
28°
|
28°
|
28°
|
27°
|
26°
|
24°
|
23°
|
21°
|
| Wind direction and speed |
WSW
8
|
WSW
9
|
WSW
10
|
WSW
10
|
W
9
|
W
9
|
W
8
|
WNW
8
|
WNW
6
|
| Wind gust (mph) |
21
|
21
|
21
|
20
|
19
|
16
|
15
|
14
|
13
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
61%
|
58%
|
56%
|
57%
|
57%
|
59%
|
62%
|
65%
|
| UV | 6 | 5 | 3 | 2 | 1 | - | - | - | - |
Saturday (16 August 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%
|
10%
|
10%
|
10%
|
10%
|
30%
|
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
20°
|
19°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
23°
|
23°
|
22°
|
17°
|
| Feels like temperature (°C) |
21°
|
20°
|
19°
|
18°
|
17°
|
16°
|
16°
|
15°
|
16°
|
17°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
22°
|
23°
|
22°
|
22°
|
21°
|
16°
|
| Wind direction and speed (mph) |
WNW
6
|
WNW
5
|
NW
5
|
NW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
N
5
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
NNE
5
|
NNE
5
|
NNE
5
|
NE
5
|
NE
7
|
| Wind gust (mph) |
12
|
11
|
10
|
10
|
10
|
11
|
10
|
10
|
10
|
11
|
12
|
12
|
13
|
13
|
14
|
14
|
14
|
14
|
14
|
13
|
16
|
16
|
| 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 |
68%
|
73%
|
77%
|
79%
|
78%
|
82%
|
82%
|
85%
|
83%
|
77%
|
75%
|
71%
|
64%
|
58%
|
56%
|
52%
|
50%
|
46%
|
43%
|
47%
|
58%
|
63%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 7 | 5 | 3 | 2 | 1 | - | - |
Sunday (17 August 2025)
| 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%
|
10%
|
20%
|
30%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
16°
|
17°
|
16°
|
15°
|
14°
|
| Feels like temperature (°C) |
14°
|
13°
|
12°
|
14°
|
15°
|
14°
|
13°
|
13°
|
| Wind direction and speed (mph) |
NE
6
|
NE
8
|
ENE
7
|
E
10
|
ESE
10
|
ESE
9
|
ESE
8
|
ESE
7
|
| Wind gust (mph) |
16
|
16
|
23
|
24
|
25
|
23
|
19
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
75%
|
75%
|
62%
|
55%
|
58%
|
64%
|
76%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
Monday (18 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
|
|
| Chance of precipitation |
50%
|
60%
|
60%
|
50%
|
50%
|
40%
|
20%
|
10%
|
| Temperature (°C) |
14°
|
15°
|
15°
|
16°
|
17°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
13°
|
14°
|
15°
|
16°
|
16°
|
16°
|
15°
|
| Wind direction and speed (mph) |
ESE
9
|
ESE
11
|
ESE
11
|
ESE
12
|
E
11
|
ENE
10
|
NE
8
|
NNE
6
|
| Wind gust (mph) |
25
|
26
|
28
|
27
|
27
|
24
|
20
|
15
|
| Visibility (description) |
G
|
G
|
G
|
M
|
M
|
G
|
G
|
G
|
| Humidity |
83%
|
89%
|
94%
|
95%
|
93%
|
87%
|
87%
|
92%
|
| UV | - | - | 1 | 2 | 3 | 2 | - | - |
Tuesday (19 August 2025)
| 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%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
18°
|
21°
|
22°
|
20°
|
16°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
17°
|
20°
|
22°
|
20°
|
16°
|
| Wind direction and speed (mph) |
N
6
|
N
5
|
N
4
|
NNE
5
|
NNE
5
|
NE
5
|
ESE
4
|
S
3
|
| Wind gust (mph) |
11
|
11
|
15
|
17
|
16
|
14
|
10
|
6
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
92%
|
91%
|
73%
|
61%
|
56%
|
69%
|
83%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
Wednesday (20 August 2025)
| 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%
|
<5%
|
<5%
|
| Temperature (°C) |
14°
|
13°
|
14°
|
20°
|
24°
|
24°
|
21°
|
18°
|
| Feels like temperature (°C) |
14°
|
13°
|
14°
|
20°
|
23°
|
23°
|
21°
|
18°
|
| Wind direction and speed (mph) |
WNW
2
|
WNW
3
|
WNW
3
|
SW
3
|
SSW
7
|
S
7
|
S
5
|
SSW
3
|
| Wind gust (mph) |
5
|
5
|
9
|
17
|
19
|
17
|
11
|
6
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
91%
|
90%
|
65%
|
55%
|
54%
|
64%
|
83%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
Thursday (21 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
17°
|
22°
|
25°
|
27°
|
25°
|
22°
|
| Feels like temperature (°C) |
17°
|
16°
|
17°
|
23°
|
26°
|
28°
|
26°
|
23°
|
| Wind direction and speed (mph) |
SW
3
|
WSW
3
|
WSW
3
|
SW
4
|
SSW
6
|
SW
8
|
SW
6
|
SW
6
|
| Wind gust (mph) |
6
|
7
|
11
|
17
|
20
|
18
|
14
|
14
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
91%
|
92%
|
74%
|
64%
|
61%
|
71%
|
83%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
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Forecast
Forecast for 15:00 (UTC-4), Fri
Updated 18:53 (UTC+1) on Fri 15 Aug 2025
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