World Resorts Canada Thunder Bay Weather

Thunder Bay 7 Days Forecast

11.01
sun
Day
9°F
E 4 mph
Precip.
0%
Night
25°F
E 10 mph
Precip.
0%
12.01
mon
Day
30°F
E 9 mph
Precip.
0%
Night
25°F
S 2 mph
Precip.
0%
13.01
tue
Day
32°F
SE 5 mph
Precip.
100%
Night
18°F
S 19 mph
Precip.
0%
14.01
wed
Day
7°F
S 12 mph
Precip.
0%
Night
-2°F
SE 5 mph
Precip.
0%
15.01
thu
Day
9°F
NE 6 mph
Precip.
0%
Night
23°F
NE 13 mph
Precip.
100%
16.01
fri
Day
23°F
NE 2 mph
Precip.
100%
Night
7°F
SE 16 mph
Precip.
76%
17.01
sat
Day
-9°F
S 11 mph
Precip.
0%
Night
-17°F
SE 7 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 35.1°F. The highest and lowest sea temperatures during the month were 36.3°F and 34.0°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:
February 14.2 °F
January 14.8 °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
+25°F
NE 11 mph
Feels like: +16°F
Precip.: 100%
Places in Canada:
Name
°F
+45°F
+52°F
+28°F
+37°F
-13°F
+21°F
+21°F
+28°F
+27°F
+23°F
+30°F
+28°F
+34°F
+27°F
24 Hours Forecast
Thunder Bay
Local time: 19:35
January 11, sunday
2100
25°F
NE
11 mph
January 12, monday
0000
25°F
E
10 mph
0300
27°F
E
9 mph
0600
28°F
E
8 mph
0900
27°F
E
8 mph
1200
30°F
E
9 mph
1500
30°F
E
6 mph
1800
30°F
E
6 mph
Units of measurement: °C / °F