World Resorts Canada Thunder Bay Weather

Thunder Bay 7 Days Forecast

06.06
sat
Day
70°F
S 4 mph
Precip.
2%
Night
57°F
E 2 mph
Precip.
3%
07.06
sun
Day
59°F
NW 7 mph
Precip.
10%
Night
45°F
SW 5 mph
Precip.
20%
08.06
mon
Day
52°F
W 5 mph
Precip.
73%
Night
50°F
W 1 mph
Precip.
66%
09.06
tue
Day
61°F
NW 5 mph
Precip.
14%
Night
52°F
W 7 mph
Precip.
64%
10.06
wed
Day
52°F
W 2 mph
Precip.
78%
Night
54°F
NW 3 mph
Precip.
73%
11.06
thu
Day
66°F
NE 11 mph
Precip.
1%
Night
54°F
W 3 mph
Precip.
73%
12.06
fri
Day
59°F
NE 9 mph
Precip.
73%
Night
50°F
E 7 mph
Precip.
2%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 51.8°F. The highest and lowest sea temperatures during the month were 58.1°F and 46.2°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

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 8.6 mph

Thunder Bay on a weather map

Thunder Bay
+66°F
N 3 mph
Feels like: +66°F
Precip.: 2%
Places in Canada:
Name
°F
+45°F
+61°F
+59°F
+88°F
+52°F
+81°F
+63°F
+68°F
+66°F
+45°F
+66°F
+72°F
+54°F
24 Hours Forecast
Thunder Bay
Local time: 19:39
June 06, saturday
2100
66°F
N
3 mph
June 07, sunday
0000
57°F
E
2 mph
0300
54°F
W
2 mph
0600
50°F
W
2 mph
0900
54°F
NW
5 mph
1200
59°F
NW
7 mph
1500
59°F
W
9 mph
1800
57°F
W
7 mph
Units of measurement: °C / °F