05.10
mon
mon
Day
48°F
SE 7 mph
Precip.
3%
3%
Night
46°F
N 9 mph
Precip.
19%
19%
06.10
tue
tue
Day
55°F
N 14 mph
Precip.
33%
33%
Night
55°F
SE 9 mph
Precip.
10%
10%
07.10
wed
wed
Day
57°F
NE 9 mph
Precip.
14%
14%
Night
50°F
SE 11 mph
Precip.
17%
17%
08.10
thu
thu
Day
52°F
SE 13 mph
Precip.
14%
14%
Night
48°F
SE 9 mph
Precip.
22%
22%
09.10
fri
fri
Day
46°F
SE 5 mph
Precip.
16%
16%
Night
48°F
W 7 mph
Precip.
21%
21%
10.10
sat
sat
Day
52°F
NW 19 mph
Precip.
52%
52%
Night
54°F
N 6 mph
Precip.
15%
15%
11.10
sun
sun
Day
54°F
NE 14 mph
Precip.
25%
25%
Night
41°F
SW 18 mph
Precip.
21%
21%
sea water
temperature
temperature
| Thunder Bay |
monthly
weather
weather
| Thunder Bay |
current
weather
weather
| Thunder Bay |
14 days
forecast
forecast
| Thunder Bay |
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 54.5°F. The highest and lowest sea temperatures during the month were 59.4°F and 49.6°F.
Air temperature in Thunder Bay, °F
Precipitation total in Thunder Bay, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Thunder Bay
Thunder Bay on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Thunder Bay
Local time: 16:35
October 05, monday
1800
48°F
N
12 mph
12 mph
2100
46°F
N
9 mph
9 mph
October 06, tuesday
0000
46°F
N
9 mph
9 mph
0300
48°F
N
12 mph
12 mph
0600
50°F
NW
11 mph
11 mph
0900
52°F
N
13 mph
13 mph
1200
55°F
N
14 mph
14 mph
1500
59°F
NE
14 mph
14 mph
