Thunder Bay International (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Sunny.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay International
Today (12 May 2025)
| Time |
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%
|
| Temperature |
11°
|
12°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
19°
|
18°
|
17°
|
16°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
10°
|
11°
|
13°
|
14°
|
15°
|
15°
|
16°
|
17°
|
17°
|
17°
|
16°
|
15°
|
14°
|
13°
|
12°
|
| Wind direction and speed |
E
5
|
E
6
|
ESE
6
|
ESE
6
|
SE
6
|
SE
7
|
SSE
7
|
SSE
6
|
SSE
7
|
SE
6
|
SE
5
|
ESE
4
|
ESE
4
|
ESE
3
|
ESE
3
|
| Wind gust (mph) |
14
|
15
|
15
|
17
|
18
|
19
|
18
|
17
|
17
|
15
|
12
|
10
|
8
|
6
|
5
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
65%
|
59%
|
56%
|
52%
|
50%
|
45%
|
42%
|
42%
|
48%
|
50%
|
64%
|
79%
|
84%
|
86%
|
| UV | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | - | - | - | - |
Tuesday (13 May 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
13°
|
15°
|
17°
|
18°
|
19°
|
21°
|
21°
|
22°
|
22°
|
22°
|
20°
|
18°
|
16°
|
13°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
10°
|
12°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
17°
|
16°
|
13°
|
| Wind direction and speed (mph) |
SE
2
|
SE
2
|
SSE
2
|
SSE
3
|
S
4
|
S
4
|
S
4
|
SSE
5
|
SSE
4
|
SSE
3
|
SSE
4
|
SSE
5
|
SSE
6
|
S
7
|
S
8
|
SSE
9
|
SSE
9
|
SSE
8
|
SE
7
|
ESE
6
|
ESE
6
|
E
4
|
| Wind gust (mph) |
4
|
4
|
6
|
7
|
8
|
8
|
8
|
8
|
8
|
11
|
14
|
16
|
18
|
20
|
21
|
22
|
21
|
19
|
16
|
14
|
12
|
8
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
86%
|
85%
|
83%
|
78%
|
79%
|
78%
|
81%
|
76%
|
64%
|
59%
|
57%
|
53%
|
50%
|
46%
|
44%
|
44%
|
46%
|
51%
|
56%
|
62%
|
86%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | - | - |
Wednesday (14 May 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) |
12°
|
11°
|
13°
|
17°
|
20°
|
19°
|
16°
|
13°
|
| Feels like temperature (°C) |
12°
|
11°
|
12°
|
16°
|
19°
|
18°
|
15°
|
13°
|
| Wind direction and speed (mph) |
ESE
3
|
ESE
3
|
ESE
3
|
SE
5
|
SE
8
|
ESE
7
|
ESE
6
|
E
4
|
| Wind gust (mph) |
6
|
7
|
13
|
19
|
20
|
18
|
14
|
10
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
92%
|
93%
|
88%
|
74%
|
65%
|
65%
|
81%
|
92%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
Thursday (15 May 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%
|
10%
|
10%
|
40%
|
50%
|
40%
|
| Temperature (°C) |
12°
|
11°
|
12°
|
15°
|
17°
|
17°
|
15°
|
13°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
14°
|
16°
|
15°
|
13°
|
12°
|
| Wind direction and speed (mph) |
E
5
|
E
5
|
E
6
|
ESE
8
|
ESE
10
|
ESE
11
|
E
10
|
ESE
7
|
| Wind gust (mph) |
10
|
13
|
19
|
24
|
26
|
29
|
25
|
18
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
| Humidity |
96%
|
96%
|
92%
|
78%
|
73%
|
76%
|
85%
|
95%
|
| UV | - | - | 1 | 5 | 7 | 3 | - | - |
Friday (16 May 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
 |
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
14°
|
15°
|
14°
|
13°
|
11°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
12°
|
12°
|
12°
|
11°
|
9°
|
| Wind direction and speed (mph) |
SE
5
|
SSE
5
|
SSE
6
|
S
10
|
SSW
12
|
SSW
12
|
SSW
10
|
SW
7
|
| Wind gust (mph) |
13
|
15
|
24
|
29
|
30
|
28
|
21
|
18
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
G
|
| Humidity |
97%
|
97%
|
93%
|
72%
|
59%
|
58%
|
67%
|
77%
|
| UV | - | - | 1 | 4 | 6 | 3 | - | - |
Saturday (17 May 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
30%
|
30%
|
30%
|
20%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
9°
|
8°
|
9°
|
10°
|
10°
|
10°
|
8°
|
| Feels like temperature (°C) |
8°
|
7°
|
6°
|
6°
|
8°
|
8°
|
7°
|
5°
|
| Wind direction and speed (mph) |
W
7
|
WNW
8
|
NW
11
|
NW
12
|
NW
12
|
NW
13
|
NW
12
|
NNW
10
|
| Wind gust (mph) |
19
|
23
|
29
|
30
|
31
|
30
|
28
|
24
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
83%
|
81%
|
80%
|
68%
|
63%
|
60%
|
63%
|
69%
|
| UV | - | - | 1 | 2 | 4 | 2 | - | - |
Sunday (18 May 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
8°
|
11°
|
12°
|
11°
|
8°
|
| Feels like temperature (°C) |
4°
|
3°
|
3°
|
5°
|
9°
|
10°
|
9°
|
6°
|
| Wind direction and speed (mph) |
NNW
10
|
NNW
9
|
NNW
9
|
NNW
9
|
NNW
9
|
N
9
|
N
8
|
N
7
|
| Wind gust (mph) |
22
|
22
|
23
|
24
|
24
|
23
|
19
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
69%
|
68%
|
67%
|
55%
|
49%
|
46%
|
51%
|
62%
|
| UV | - | - | 1 | 3 | 4 | 3 | - | - |
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Forecast
Forecast for 09:00 (UTC-4), Mon
Updated 12:59 (UTC+1) on Mon 12 May 2025
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