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Mackinac Island Weather

Mackinac Island 14 Days Forecast

22.12
mon

Day

32°F

NE 16 mph

Precip.
0%

Night

32°F

NW 6 mph

Precip.
0%

23.12
tue

Day

34°F

NE 8 mph

Precip.
0%

Night

30°F

SE 18 mph

Precip.
0%

24.12
wed

Day

28°F

NW 9 mph

Precip.
0%

Night

32°F

N 9 mph

Precip.
0%

25.12
thu

Day

32°F

W 7 mph

Precip.
0%

Night

34°F

N 4 mph

Precip.
100%

26.12
fri

Day

19°F

S 18 mph

Precip.
0%

Night

18°F

W 9 mph

Precip.
0%

27.12
sat

Day

27°F

N 13 mph

Precip.
0%

Night

34°F

NE 15 mph

Precip.
100%

28.12
sun

Day

21°F

SE 27 mph

Precip.
100%

Night

16°F

SE 21 mph

Precip.
100%

29.12
mon

Day

14°F

NW 5 mph

Precip.
0%

Night

28°F

NE 22 mph

Precip.
100%

30.12
tue

Day

32°F

SE 18 mph

Precip.
27%

Night

10°F

S 13 mph

Precip.
0%

31.12
wed

Day

18°F

N 11 mph

Precip.
0%

Night

32°F

NE 20 mph

Precip.
0%

01.01
thu

Day

37°F

E 16 mph

Precip.
0%

Night

32°F

E 11 mph

Precip.
100%

02.01
fri

Day

25°F

SW 25 mph

Precip.
100%

Night

21°F

SE 24 mph

Precip.
100%

03.01
sat

Day

25°F

E 16 mph

Precip.
85%

Night

23°F

E 18 mph

Precip.
45%

04.01
sun

Day

19°F

NE 4 mph

Precip.
0%

Night

27°F

NW 16 mph

Precip.
100%

sea water
temperature

Mackinac Island

monthly
weather

Mackinac Island

current
weather

Mackinac Island

7 days
forecast

Mackinac Island

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 38.8°F. The highest and lowest sea temperatures during the month were 42.4°F and 36.9°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 36.2°F. The highest and lowest sea temperatures during the month were 38.5°F and 34.0°F.