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Grand Marais Weather

Grand Marais 14 Days Forecast

24.12
wed

Day

32°F

N 4 mph

Precip.
0%

Night

21°F

S 7 mph

Precip.
0%

25.12
thu

Day

18°F

W 9 mph

Precip.
0%

Night

27°F

NW 17 mph

Precip.
0%

26.12
fri

Day

30°F

E 4 mph

Precip.
0%

Night

30°F

N 9 mph

Precip.
63%

27.12
sat

Day

36°F

NW 7 mph

Precip.
82%

Night

27°F

SE 16 mph

Precip.
68%

28.12
sun

Day

9°F

E 23 mph

Precip.
81%

Night

3°F

SE 23 mph

Precip.
74%

29.12
mon

Day

1°F

SE 29 mph

Precip.
0%

Night

-2°F

SE 6 mph

Precip.
0%

30.12
tue

Day

14°F

NE 7 mph

Precip.
100%

Night

19°F

E 7 mph

Precip.
100%

31.12
wed

Day

23°F

E 8 mph

Precip.
0%

Night

7°F

SE 21 mph

Precip.
0%

01.01
thu

Day

1°F

SE 21 mph

Precip.
0%

Night

-2°F

S 12 mph

Precip.
0%

02.01
fri

Day

7°F

NE 2 mph

Precip.
0%

Night

12°F

E 6 mph

Precip.
0%

03.01
sat

Day

23°F

E 7 mph

Precip.
0%

Night

23°F

S 6 mph

Precip.
0%

04.01
sun

Day

10°F

SW 10 mph

Precip.
0%

Night

12°F

SW 9 mph

Precip.
50%

05.01
mon

Day

25°F

N 12 mph

Precip.
100%

Night

27°F

NE 13 mph

Precip.
100%

06.01
tue

Day

28°F

SW 7 mph

Precip.
0%

Night

23°F

SW 6 mph

Precip.
45%

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:

2025

2024

2023

The average sea water temperature in December of 2025 was 38.7°F. The highest and lowest sea temperatures during the month were 40.3°F and 37.0°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 38.1°F. The highest and lowest sea temperatures during the month were 39.7°F and 36.3°F.