Thunder Bay (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 28 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
Sunny intervals.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Thunder Bay
Today (28 July 2026)
| Time |
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 |
10%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
22°
|
20°
|
19°
|
| Feels like temperature (°C) |
25°
|
26°
|
25°
|
25°
|
25°
|
24°
|
24°
|
22°
|
21°
|
20°
|
| Wind direction and speed |
SSE
3
|
SSE
4
|
SSE
5
|
SSE
5
|
SSE
6
|
SSE
6
|
SSE
4
|
SSE
3
|
SSE
3
|
SSE
3
|
| Wind gust (mph) |
12
|
12
|
13
|
13
|
13
|
11
|
8
|
6
|
6
|
4
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
47%
|
49%
|
53%
|
53%
|
55%
|
57%
|
64%
|
73%
|
82%
|
85%
|
| UV | 7 | 6 | 5 | 4 | 2 | 1 | 1 | - | - | - |
Wednesday (29 July 2026)
| 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%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
16°
|
17°
|
20°
|
22°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
24°
|
22°
|
20°
|
19°
|
| Feels like temperature (°C) |
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
19°
|
21°
|
23°
|
25°
|
27°
|
28°
|
28°
|
27°
|
27°
|
27°
|
26°
|
25°
|
24°
|
22°
|
21°
|
20°
|
| Wind direction and speed (mph) |
SSE
2
|
SE
2
|
S
1
|
WNW
1
|
NW
1
|
NNW
1
|
NNW
1
|
NNW
2
|
NNW
2
|
NW
1
|
WSW
2
|
SW
3
|
SSW
3
|
S
4
|
SSE
5
|
SSE
7
|
SSE
7
|
SSE
8
|
SSE
8
|
SSE
7
|
SSE
6
|
SSE
5
|
SE
4
|
SE
4
|
| Wind gust (mph) |
3
|
3
|
2
|
2
|
3
|
3
|
3
|
3
|
4
|
5
|
6
|
10
|
12
|
14
|
16
|
16
|
17
|
16
|
16
|
14
|
11
|
8
|
8
|
7
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
91%
|
92%
|
92%
|
93%
|
93%
|
94%
|
95%
|
91%
|
80%
|
74%
|
67%
|
61%
|
55%
|
54%
|
54%
|
53%
|
54%
|
55%
|
57%
|
63%
|
67%
|
74%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 | 1 | - | - | - |
Thursday (30 July 2026)
| 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 |
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
19°
|
21°
|
22°
|
24°
|
25°
|
27°
|
27°
|
28°
|
28°
|
27°
|
26°
|
25°
|
24°
|
23°
|
22°
|
| Feels like temperature (°C) |
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
20°
|
22°
|
23°
|
25°
|
26°
|
27°
|
28°
|
28°
|
28°
|
28°
|
27°
|
27°
|
26°
|
24°
|
24°
|
| Wind direction and speed (mph) |
SE
3
|
SE
3
|
SE
3
|
SE
3
|
ESE
2
|
ESE
3
|
ESE
2
|
ESE
3
|
ESE
2
|
SE
2
|
SSE
3
|
SSE
3
|
S
4
|
S
5
|
S
6
|
S
7
|
S
7
|
S
7
|
S
6
|
S
5
|
S
4
|
S
4
|
S
4
|
SSW
4
|
| Wind gust (mph) |
6
|
6
|
5
|
4
|
4
|
4
|
4
|
4
|
5
|
7
|
9
|
11
|
13
|
14
|
15
|
16
|
16
|
15
|
13
|
11
|
9
|
8
|
7
|
7
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
85%
|
87%
|
90%
|
92%
|
92%
|
93%
|
92%
|
86%
|
81%
|
75%
|
69%
|
66%
|
64%
|
62%
|
57%
|
58%
|
57%
|
60%
|
64%
|
67%
|
75%
|
82%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 | 1 | - | - | - |
Friday (31 July 2026)
| 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%
|
10%
|
20%
|
10%
|
20%
|
20%
|
30%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
21°
|
22°
|
23°
|
24°
|
24°
|
25°
|
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
22°
|
22°
|
21°
|
| Feels like temperature (°C) |
24°
|
23°
|
23°
|
22°
|
22°
|
22°
|
22°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
24°
|
24°
|
23°
|
| Wind direction and speed (mph) |
SW
4
|
W
4
|
WNW
4
|
NW
3
|
NW
3
|
NW
3
|
NW
3
|
NW
3
|
NW
3
|
NW
3
|
NW
4
|
NW
4
|
NW
4
|
WNW
4
|
SW
4
|
SE
5
|
SSE
5
|
S
4
|
S
5
|
SSW
4
|
SW
4
|
SSW
4
|
SSE
4
|
N
4
|
| Wind gust (mph) |
6
|
7
|
7
|
6
|
6
|
7
|
6
|
6
|
7
|
8
|
9
|
9
|
10
|
11
|
11
|
12
|
12
|
11
|
10
|
9
|
8
|
8
|
7
|
7
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
85%
|
88%
|
90%
|
91%
|
92%
|
93%
|
94%
|
95%
|
93%
|
88%
|
86%
|
80%
|
80%
|
79%
|
76%
|
81%
|
75%
|
74%
|
81%
|
78%
|
84%
|
88%
|
92%
|
93%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 4 | 3 | 3 | 2 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
Saturday (1 August 2026)
| 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 |
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
30%
|
40%
|
30%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
20°
|
20°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
19°
|
20°
|
21°
|
23°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
20°
|
| Feels like temperature (°C) |
22°
|
21°
|
21°
|
20°
|
20°
|
20°
|
19°
|
19°
|
20°
|
21°
|
23°
|
24°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
25°
|
21°
|
| Wind direction and speed (mph) |
NNW
4
|
NW
4
|
NW
4
|
NNW
4
|
NNW
4
|
NNW
3
|
NNW
3
|
NNW
3
|
NNW
4
|
N
3
|
N
4
|
NE
4
|
NE
4
|
NE
5
|
ENE
5
|
ENE
5
|
E
5
|
E
5
|
E
5
|
E
5
|
E
4
|
E
3
|
| Wind gust (mph) |
7
|
7
|
6
|
6
|
6
|
6
|
6
|
6
|
7
|
9
|
11
|
12
|
13
|
14
|
14
|
14
|
13
|
13
|
12
|
11
|
9
|
6
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
94%
|
95%
|
96%
|
96%
|
96%
|
96%
|
96%
|
95%
|
87%
|
82%
|
73%
|
65%
|
60%
|
55%
|
54%
|
53%
|
54%
|
55%
|
57%
|
66%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 7 | 5 | 3 | 2 | 1 | 1 | - |
Sunday (2 August 2026)
| 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) |
18°
|
17°
|
17°
|
21°
|
24°
|
24°
|
22°
|
18°
|
| Feels like temperature (°C) |
19°
|
17°
|
18°
|
22°
|
24°
|
24°
|
22°
|
18°
|
| Wind direction and speed (mph) |
NE
3
|
NNE
3
|
ENE
3
|
ESE
5
|
SE
7
|
SE
8
|
SE
5
|
SE
3
|
| Wind gust (mph) |
6
|
6
|
11
|
16
|
17
|
16
|
10
|
5
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
93%
|
91%
|
67%
|
55%
|
54%
|
63%
|
85%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
Monday (3 August 2026)
| 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%
|
10%
|
| Temperature (°C) |
16°
|
15°
|
16°
|
20°
|
23°
|
24°
|
21°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
16°
|
20°
|
23°
|
23°
|
21°
|
19°
|
| Wind direction and speed (mph) |
ESE
3
|
ESE
3
|
ESE
3
|
SE
5
|
SSE
8
|
SSE
8
|
SE
6
|
SE
4
|
| Wind gust (mph) |
5
|
5
|
12
|
18
|
19
|
18
|
12
|
7
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
93%
|
91%
|
70%
|
62%
|
61%
|
70%
|
85%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
Tooltip header
UK video forecast
weather map
Forecast
Forecast for 3pm (UTC-4) Tuesday
Updated 13:20 (UTC+1) on Tue 28 Jul 2026
Loading map...