World Resorts Canada Thunder Bay Weather

Thunder Bay 14 Days Forecast

17.03
tue
Day
7°F
SE 7 mph
Precip.
0%
Night
14°F
N 4 mph
Precip.
0%
18.03
wed
Day
28°F
N 9 mph
Precip.
0%
Night
30°F
E 3 mph
Precip.
0%
19.03
thu
Day
32°F
N 2 mph
Precip.
100%
Night
30°F
E 6 mph
Precip.
0%
20.03
fri
Day
34°F
SW 8 mph
Precip.
0%
Night
28°F
NW 8 mph
Precip.
100%
21.03
sat
Day
32°F
NW 14 mph
Precip.
100%
Night
36°F
SE 19 mph
Precip.
0%
22.03
sun
Day
23°F
SE 15 mph
Precip.
79%
Night
19°F
SE 7 mph
Precip.
0%
23.03
mon
Day
25°F
NE 8 mph
Precip.
0%
Night
25°F
NE 5 mph
Precip.
0%
24.03
tue
Day
34°F
N 6 mph
Precip.
0%
Night
30°F
W 4 mph
Precip.
80%
25.03
wed
Day
34°F
NW 14 mph
Precip.
0%
Night
32°F
NW 14 mph
Precip.
100%
26.03
thu
Day
32°F
E 16 mph
Precip.
24%
Night
14°F
E 17 mph
Precip.
21%
27.03
fri
Day
12°F
SE 17 mph
Precip.
0%
Night
14°F
SE 6 mph
Precip.
0%
28.03
sat
Day
18°F
SE 9 mph
Precip.
0%
Night
14°F
SE 6 mph
Precip.
29%
29.03
sun
Day
16°F
SE 11 mph
Precip.
0%
Night
14°F
SE 3 mph
Precip.
0%
30.03
mon
Day
21°F
E 2 mph
Precip.
29%
Night
21°F
NW 4 mph
Precip.
0%

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

Sunniest months:
September 14 days
August 14 days
July 12 days
Warmest months:
July 69.3 °F
August 69.1 °F
June 63.0 °F
Warmest sea temp:
August 63.4 °F
September 60.2 °F
July 59.6 °F
Coldest months:
January 13.9 °F
February 15.0 °F
December 21.1 °F
Rainiest months:
September 2 days
August 2 days
April 2 days
Windiest months:
November 9.6 mph
December 9.2 mph
April 8.8 mph

Thunder Bay on a weather map

Thunder Bay
-13°F
SE 7 mph
Feels like: -27°F
Precip.: 0%
Places in Canada:
Name
°F
+48°F
+46°F
0°F
+55°F
+34°F
+19°F
+57°F
+30°F
+10°F
+23°F
+50°F
+39°F
+46°F
+12°F
24 Hours Forecast
Thunder Bay
Local time: 06:23
March 17, tuesday
0900
-11°F
SE
7 mph
1200
7°F
SE
7 mph
1500
16°F
NE
3 mph
1800
16°F
N
7 mph
2100
12°F
N
6 mph
March 18, wednesday
0000
14°F
N
4 mph
0300
14°F
NW
6 mph
0600
16°F
NW
5 mph
Units of measurement: °C / °F