Thunder Bay (Canada) weather
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Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Overcast changing to sunny intervals by early evening.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay
Today (23 May 2025)
| Time |
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%
|
| Temperature |
7°
|
8°
|
9°
|
9°
|
10°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
10°
|
9°
|
9°
|
| Feels like temperature (°C) |
4°
|
5°
|
6°
|
7°
|
8°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
8°
|
7°
|
| Wind direction and speed |
N
9
|
N
10
|
N
10
|
N
10
|
N
10
|
N
9
|
N
8
|
N
8
|
N
8
|
N
8
|
N
8
|
N
8
|
NNE
7
|
NNE
6
|
NNE
6
|
N
6
|
| Wind gust (mph) |
24
|
24
|
24
|
24
|
24
|
23
|
22
|
22
|
20
|
20
|
19
|
18
|
17
|
15
|
13
|
12
|
| Visibility |
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
75%
|
72%
|
67%
|
64%
|
63%
|
59%
|
57%
|
56%
|
58%
|
58%
|
63%
|
65%
|
67%
|
74%
|
76%
|
| UV | 1 | 2 | 3 | 4 | 4 | 4 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Saturday (24 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%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
30%
|
20%
|
30%
|
20%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
9°
|
10°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
12°
|
12°
|
12°
|
12°
|
10°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
6°
|
7°
|
7°
|
9°
|
10°
|
10°
|
10°
|
11°
|
12°
|
13°
|
12°
|
12°
|
11°
|
11°
|
9°
|
| Wind direction and speed (mph) |
N
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
N
5
|
N
5
|
N
7
|
N
6
|
NNE
6
|
NNE
6
|
NNE
5
|
NNE
5
|
NNE
4
|
NNE
4
|
NE
4
|
ENE
4
|
ENE
5
|
E
5
|
SSE
4
|
| Wind gust (mph) |
11
|
10
|
11
|
11
|
11
|
11
|
11
|
13
|
16
|
17
|
17
|
17
|
16
|
15
|
15
|
16
|
14
|
13
|
13
|
12
|
10
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
| Humidity |
81%
|
83%
|
84%
|
85%
|
84%
|
84%
|
85%
|
84%
|
78%
|
72%
|
64%
|
59%
|
58%
|
61%
|
57%
|
54%
|
53%
|
57%
|
61%
|
59%
|
66%
|
83%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 3 | 4 | 3 | 3 | 3 | 1 | 1 | 1 | - | - |
Sunday (25 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
9°
|
13°
|
14°
|
15°
|
14°
|
11°
|
| Feels like temperature (°C) |
8°
|
7°
|
9°
|
13°
|
14°
|
14°
|
13°
|
11°
|
| Wind direction and speed (mph) |
NW
3
|
NNW
3
|
N
3
|
NE
4
|
ESE
4
|
SE
4
|
SSE
4
|
S
3
|
| Wind gust (mph) |
6
|
7
|
14
|
16
|
15
|
12
|
9
|
5
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
86%
|
82%
|
56%
|
51%
|
52%
|
60%
|
82%
|
| UV | - | - | 1 | 3 | 6 | 2 | 1 | - |
Monday (26 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) |
9°
|
8°
|
10°
|
16°
|
17°
|
17°
|
16°
|
12°
|
| Feels like temperature (°C) |
9°
|
7°
|
10°
|
15°
|
16°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
W
3
|
N
2
|
NNW
3
|
SE
3
|
SSE
6
|
SSE
7
|
SSE
6
|
SSW
3
|
| Wind gust (mph) |
5
|
5
|
11
|
18
|
19
|
18
|
12
|
6
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
84%
|
76%
|
46%
|
41%
|
41%
|
44%
|
76%
|
| UV | - | - | 1 | 6 | 8 | 4 | 1 | - |
Tuesday (27 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) |
10°
|
8°
|
11°
|
17°
|
19°
|
19°
|
17°
|
13°
|
| Feels like temperature (°C) |
9°
|
8°
|
11°
|
16°
|
17°
|
17°
|
15°
|
12°
|
| Wind direction and speed (mph) |
SW
3
|
NNW
2
|
NNW
2
|
SSW
3
|
SSE
7
|
SSE
8
|
S
7
|
SSW
4
|
| Wind gust (mph) |
4
|
4
|
11
|
19
|
22
|
22
|
14
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
80%
|
72%
|
42%
|
36%
|
35%
|
40%
|
67%
|
| UV | - | - | 1 | 6 | 8 | 4 | 1 | - |
Wednesday (28 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) |
10°
|
9°
|
12°
|
18°
|
22°
|
21°
|
19°
|
14°
|
| Feels like temperature (°C) |
10°
|
8°
|
12°
|
17°
|
19°
|
18°
|
17°
|
13°
|
| Wind direction and speed (mph) |
SW
3
|
NW
2
|
WNW
2
|
SSW
4
|
SSE
7
|
S
9
|
S
7
|
SSW
5
|
| Wind gust (mph) |
5
|
4
|
11
|
19
|
23
|
22
|
15
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
77%
|
68%
|
41%
|
32%
|
30%
|
40%
|
58%
|
| UV | - | - | 1 | 6 | 8 | 4 | 1 | - |
Thursday (29 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°
|
14°
|
20°
|
24°
|
25°
|
23°
|
18°
|
| Feels like temperature (°C) |
12°
|
11°
|
13°
|
19°
|
23°
|
23°
|
21°
|
17°
|
| Wind direction and speed (mph) |
SW
4
|
NW
4
|
NW
4
|
WNW
6
|
W
7
|
SW
8
|
SW
7
|
WSW
7
|
| Wind gust (mph) |
9
|
9
|
14
|
20
|
22
|
19
|
15
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
72%
|
62%
|
42%
|
33%
|
31%
|
43%
|
54%
|
| UV | - | - | 1 | 5 | 7 | 4 | 1 | - |
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Forecast
Forecast for 08:00 (UTC-4), Fri
Updated 07:21 (UTC+1) on Fri 23 May 2025
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