World Resorts

USA

Grand Marais Weather

Grand Marais 14 Days Forecast

21.07
tue

Day

61°F

SE 14 mph

Precip.
5%

Night

55°F

SE 11 mph

Precip.
5%

22.07
wed

Day

68°F

SE 6 mph

Precip.
1%

Night

59°F

SE 9 mph

Precip.
7%

23.07
thu

Day

68°F

NE 11 mph

Precip.
3%

Night

61°F

SE 6 mph

Precip.
12%

24.07
fri

Day

64°F

NW 5 mph

Precip.
24%

Night

63°F

NE 11 mph

Precip.
9%

25.07
sat

Day

64°F

NE 11 mph

Precip.
29%

Night

61°F

NE 9 mph

Precip.
54%

26.07
sun

Day

77°F

E 9 mph

Precip.
3%

Night

57°F

SW 7 mph

Precip.
43%

27.07
mon

Day

63°F

W 10 mph

Precip.
8%

Night

55°F

S 5 mph

Precip.
4%

28.07
tue

Day

64°F

NW 6 mph

Precip.
3%

Night

55°F

SW 10 mph

Precip.
5%

29.07
wed

Day

64°F

NW 4 mph

Precip.
20%

Night

59°F

N 2 mph

Precip.
35%

30.07
thu

Day

63°F

W 6 mph

Precip.
92%

Night

57°F

E 5 mph

Precip.
54%

31.07
fri

Day

68°F

E 11 mph

Precip.
4%

Night

57°F

SE 8 mph

Precip.
7%

01.08
sat

Day

66°F

NE 9 mph

Precip.
4%

Night

57°F

NW 2 mph

Precip.
11%

02.08
sun

Day

63°F

W 13 mph

Precip.
24%

Night

61°F

E 9 mph

Precip.
24%

03.08
mon

Day

66°F

E 16 mph

Precip.
7%

Night

59°F

SE 8 mph

Precip.
10%

sea water
temperature

Grand Marais

monthly
weather

Grand Marais

current
weather

Grand Marais

7 days
forecast

Grand Marais

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 41.6°F. The highest and lowest sea temperatures during the month were 46.0°F and 38.7°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 65.7°F and 55.9°F.