World Resorts

Canada

Thunder Bay Weather

Thunder Bay 14 Days Forecast

27.06
sat

Day

66°F

NW 6 mph

Precip.
3%

Night

50°F

W 2 mph

Precip.
16%

28.06
sun

Day

59°F

W 7 mph

Precip.
5%

Night

50°F

W 6 mph

Precip.
27%

29.06
mon

Day

55°F

W 5 mph

Precip.
39%

Night

52°F

SW 2 mph

Precip.
44%

30.06
tue

Day

73°F

N 6 mph

Precip.
13%

Night

61°F

N 3 mph

Precip.
54%

01.07
wed

Day

75°F

NE 7 mph

Precip.
2%

Night

61°F

NE 6 mph

Precip.
12%

02.07
thu

Day

70°F

NW 6 mph

Precip.
29%

Night

59°F

W 1 mph

Precip.
23%

03.07
fri

Day

70°F

NW 6 mph

Precip.
18%

Night

63°F

N 2 mph

Precip.
16%

04.07
sat

Day

70°F

NW 6 mph

Precip.
14%

Night

57°F

W 1 mph

Precip.
15%

05.07
sun

Day

68°F

NW 4 mph

Precip.
13%

Night

55°F

NW 2 mph

Precip.
40%

06.07
mon

Day

72°F

N 9 mph

Precip.
15%

Night

57°F

N 4 mph

Precip.
53%

07.07
tue

Day

68°F

E 7 mph

Precip.
43%

Night

61°F

SE 14 mph

Precip.
25%

08.07
wed

Day

68°F

SE 13 mph

Precip.
3%

Night

55°F

SE 6 mph

Precip.
4%

09.07
thu

Day

68°F

NE 9 mph

Precip.
2%

Night

55°F

E 2 mph

Precip.
6%

10.07
fri

Day

72°F

NE 9 mph

Precip.
17%

Night

61°F

NW 4 mph

Precip.
10%

sea water
temperature

Thunder Bay

monthly
weather

Thunder Bay

current
weather

Thunder Bay

7 days
forecast

Thunder Bay

January
February
March
April

May
June
July
August

September
October
November
December

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.

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.