World Resorts

USA

Grand Marais Weather

Grand Marais 14 Days Forecast

28.04
tue

Day

43°F

SE 17 mph

Precip.
0%

Night

34°F

SE 6 mph

Precip.
0%

29.04
wed

Day

41°F

E 6 mph

Precip.
100%

Night

32°F

S 7 mph

Precip.
0%

30.04
thu

Day

39°F

SE 5 mph

Precip.
74%

Night

30°F

S 7 mph

Precip.
0%

01.05
fri

Day

39°F

NW 7 mph

Precip.
0%

Night

28°F

SE 4 mph

Precip.
0%

02.05
sat

Day

45°F

N 6 mph

Precip.
0%

Night

32°F

S 6 mph

Precip.
0%

03.05
sun

Day

50°F

S 9 mph

Precip.
0%

Night

37°F

S 6 mph

Precip.
0%

04.05
mon

Day

48°F

NE 6 mph

Precip.
0%

Night

45°F

SE 17 mph

Precip.
0%

05.05
tue

Day

46°F

SE 9 mph

Precip.
0%

Night

39°F

SE 7 mph

Precip.
0%

06.05
wed

Day

46°F

S 12 mph

Precip.
70%

Night

41°F

S 11 mph

Precip.
20%

07.05
thu

Day

43°F

SE 12 mph

Precip.
69%

Night

37°F

SE 10 mph

Precip.
0%

08.05
fri

Day

46°F

SE 9 mph

Precip.
0%

Night

36°F

SE 7 mph

Precip.
0%

09.05
sat

Day

48°F

NE 9 mph

Precip.
0%

Night

41°F

NE 7 mph

Precip.
0%

10.05
sun

Day

46°F

NE 8 mph

Precip.
0%

Night

41°F

E 4 mph

Precip.
0%

11.05
mon

Day

48°F

W 15 mph

Precip.
0%

Night

41°F

SW 13 mph

Precip.
22%

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 April of 2026 was 33.0°F. The highest and lowest sea temperatures during the month were 34.3°F and 32.2°F.

Show year:

2025

2024

2023

The average sea water temperature in May of 2025 was 36.5°F. The highest and lowest sea temperatures during the month were 40.1°F and 33.8°F.