Thunder Bay (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 18° 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: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Sunny intervals changing to overcast by late morning.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
6 day forecast for Thunder Bay
Tomorrow (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
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
|
|
 |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
20%
|
30%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature |
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
7°
|
8°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
10°
|
9°
|
| Feels like temperature (°C) |
7°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
6°
|
7°
|
8°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
13°
|
12°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
| Wind direction and speed |
N
5
|
N
5
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
4
|
N
4
|
N
5
|
N
5
|
NNE
5
|
NNE
5
|
NE
4
|
NE
4
|
ENE
5
|
E
5
|
ESE
6
|
ESE
5
|
ESE
4
|
ESE
4
|
E
3
|
NE
3
|
| Wind gust (mph) |
10
|
10
|
9
|
8
|
9
|
9
|
9
|
9
|
12
|
15
|
16
|
16
|
16
|
15
|
14
|
16
|
15
|
14
|
14
|
12
|
10
|
8
|
7
|
6
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
84%
|
84%
|
85%
|
85%
|
85%
|
86%
|
85%
|
79%
|
71%
|
63%
|
55%
|
52%
|
55%
|
51%
|
52%
|
50%
|
55%
|
59%
|
60%
|
68%
|
74%
|
79%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | - | - | - | - |
Sunday (25 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%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
11°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
9°
|
10°
|
11°
|
12°
|
13°
|
13°
|
14°
|
15°
|
14°
|
15°
|
14°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
NNE
3
|
NNE
3
|
N
3
|
N
3
|
N
3
|
N
3
|
N
3
|
NNW
3
|
N
3
|
N
4
|
NNE
5
|
NE
5
|
ENE
5
|
ENE
5
|
E
4
|
E
4
|
E
4
|
E
4
|
E
4
|
ESE
4
|
SE
4
|
SSW
3
|
| Wind gust (mph) |
6
|
6
|
7
|
6
|
7
|
7
|
7
|
8
|
10
|
13
|
15
|
15
|
16
|
15
|
15
|
13
|
13
|
11
|
11
|
10
|
9
|
5
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
84%
|
85%
|
85%
|
86%
|
86%
|
86%
|
86%
|
82%
|
73%
|
64%
|
59%
|
55%
|
52%
|
55%
|
48%
|
53%
|
51%
|
56%
|
54%
|
61%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 5 | 2 | 2 | 1 | 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°
|
11°
|
16°
|
17°
|
17°
|
16°
|
11°
|
| Feels like temperature (°C) |
9°
|
8°
|
10°
|
15°
|
16°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
WNW
2
|
NNW
2
|
NNW
3
|
SSE
3
|
SSE
6
|
SSE
7
|
SSE
5
|
SSE
3
|
| Wind gust (mph) |
4
|
5
|
12
|
18
|
20
|
19
|
11
|
4
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
84%
|
76%
|
43%
|
40%
|
41%
|
46%
|
81%
|
| UV | - | - | 1 | 5 | 7 | 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) |
9°
|
8°
|
11°
|
17°
|
18°
|
18°
|
17°
|
12°
|
| Feels like temperature (°C) |
9°
|
8°
|
11°
|
16°
|
16°
|
16°
|
15°
|
12°
|
| Wind direction and speed (mph) |
ENE
2
|
NNE
2
|
NNE
2
|
SE
4
|
SE
7
|
SSE
8
|
SSE
5
|
S
3
|
| Wind gust (mph) |
3
|
4
|
12
|
21
|
22
|
20
|
11
|
4
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
81%
|
69%
|
42%
|
37%
|
37%
|
41%
|
79%
|
| 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°
|
20°
|
20°
|
18°
|
14°
|
| Feels like temperature (°C) |
10°
|
8°
|
12°
|
17°
|
18°
|
17°
|
16°
|
13°
|
| Wind direction and speed (mph) |
NNW
2
|
NNW
2
|
NNW
3
|
SSW
3
|
SSE
7
|
SSE
8
|
S
6
|
SW
5
|
| Wind gust (mph) |
3
|
4
|
11
|
19
|
22
|
21
|
14
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
78%
|
69%
|
41%
|
36%
|
36%
|
40%
|
61%
|
| 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°
|
13°
|
20°
|
23°
|
23°
|
22°
|
19°
|
| Feels like temperature (°C) |
11°
|
10°
|
13°
|
18°
|
21°
|
21°
|
20°
|
17°
|
| Wind direction and speed (mph) |
WSW
5
|
WNW
4
|
WNW
4
|
WNW
7
|
WNW
8
|
WNW
8
|
NW
7
|
WNW
7
|
| Wind gust (mph) |
9
|
10
|
17
|
21
|
23
|
20
|
16
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
73%
|
64%
|
42%
|
35%
|
37%
|
44%
|
60%
|
| UV | - | - | 1 | 5 | 7 | 4 | 1 | - |
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Forecast
Forecast for 00:00 (UTC-4), Sat
Updated 01:45 (UTC+1) on Sat 24 May 2025
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