17.03
tue
tue
Day

7°F
SE 7 mph
Precip.
0%
0%
Night

14°F
N 4 mph
Precip.
0%
0%
18.03
wed
wed
Day

28°F
N 9 mph
Precip.
0%
0%
Night

30°F
E 3 mph
Precip.
0%
0%
19.03
thu
thu
Day

32°F
N 2 mph
Precip.
100%
100%
Night

30°F
E 6 mph
Precip.
0%
0%
20.03
fri
fri
Day

34°F
SW 8 mph
Precip.
0%
0%
Night

28°F
NW 8 mph
Precip.
100%
100%
21.03
sat
sat
Day

32°F
NW 14 mph
Precip.
100%
100%
Night

36°F
SE 19 mph
Precip.
0%
0%
22.03
sun
sun
Day

23°F
SE 15 mph
Precip.
79%
79%
Night

19°F
SE 7 mph
Precip.
0%
0%
23.03
mon
mon
Day

25°F
NE 8 mph
Precip.
0%
0%
Night

25°F
NE 5 mph
Precip.
0%
0%
24.03
tue
tue
Day

34°F
N 6 mph
Precip.
0%
0%
Night

30°F
W 4 mph
Precip.
80%
80%
25.03
wed
wed
Day

34°F
NW 14 mph
Precip.
0%
0%
Night

32°F
NW 14 mph
Precip.
100%
100%
26.03
thu
thu
Day

32°F
E 16 mph
Precip.
24%
24%
Night

14°F
E 17 mph
Precip.
21%
21%
27.03
fri
fri
Day

12°F
SE 17 mph
Precip.
0%
0%
Night

14°F
SE 6 mph
Precip.
0%
0%
28.03
sat
sat
Day

18°F
SE 9 mph
Precip.
0%
0%
Night

14°F
SE 6 mph
Precip.
29%
29%
29.03
sun
sun
Day

16°F
SE 11 mph
Precip.
0%
0%
Night

14°F
SE 3 mph
Precip.
0%
0%
30.03
mon
mon
Day

21°F
E 2 mph
Precip.
29%
29%
Night

21°F
NW 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Thunder Bay |
monthly
weather
weather
| Thunder Bay |
current
weather
weather
| Thunder Bay |
7 days
forecast
forecast
| Thunder Bay |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 32.7°F. The highest and lowest sea temperatures during the month were 32.7°F and 32.5°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: 06:23
March 17, tuesday
0900

-11°F
SE
7 mph
7 mph
1200

7°F
SE
7 mph
7 mph
1500

16°F
NE
3 mph
3 mph
1800

16°F
N
7 mph
7 mph
2100

12°F
N
6 mph
6 mph
March 18, wednesday
0000

14°F
N
4 mph
4 mph
0300

14°F
NW
6 mph
6 mph
0600

16°F
NW
5 mph
5 mph





























