27.06
sat
sat
Day
66°F
NW 6 mph
Precip.
3%
3%
Night
50°F
W 2 mph
Precip.
16%
16%
28.06
sun
sun
Day
59°F
W 7 mph
Precip.
5%
5%
Night
50°F
W 6 mph
Precip.
27%
27%
29.06
mon
mon
Day
55°F
W 5 mph
Precip.
39%
39%
Night
52°F
SW 2 mph
Precip.
44%
44%
30.06
tue
tue
Day
73°F
N 6 mph
Precip.
13%
13%
Night
61°F
N 3 mph
Precip.
54%
54%
01.07
wed
wed
Day
75°F
NE 7 mph
Precip.
2%
2%
Night
61°F
NE 6 mph
Precip.
12%
12%
02.07
thu
thu
Day
70°F
NW 6 mph
Precip.
29%
29%
Night
59°F
W 1 mph
Precip.
23%
23%
03.07
fri
fri
Day
70°F
NW 6 mph
Precip.
18%
18%
Night
63°F
N 2 mph
Precip.
16%
16%
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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 45.2°F. The highest and lowest sea temperatures during the month were 50.7°F and 41.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 64.9°F and 55.2°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: 01:03
June 27, saturday
0300
55°F
W
4 mph
4 mph
0600
54°F
SW
3 mph
3 mph
0900
64°F
W
3 mph
3 mph
1200
66°F
NW
6 mph
6 mph
1500
64°F
NW
6 mph
6 mph
1800
61°F
W
6 mph
6 mph
2100
54°F
W
3 mph
3 mph
June 28, sunday
0000
50°F
W
2 mph
2 mph
