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Mackinac Island Weather

Mackinac Island 14 Days Forecast

29.10
thu

Day

54°F

E 14 mph

Precip.
8%

Night

46°F

E 20 mph

Precip.
19%

30.10
fri

Day

46°F

SE 16 mph

Precip.
6%

Night

45°F

SE 7 mph

Precip.
10%

31.10
sat

Day

48°F

N 6 mph

Precip.
15%

Night

50°F

N 8 mph

Precip.
14%

01.11
sun

Day

54°F

NE 7 mph

Precip.
8%

Night

52°F

NE 5 mph

Precip.
19%

02.11
mon

Day

54°F

W 7 mph

Precip.
7%

Night

54°F

NW 10 mph

Precip.
66%

03.11
tue

Day

55°F

N 12 mph

Precip.
80%

Night

52°F

NE 9 mph

Precip.
15%

04.11
wed

Day

55°F

NE 9 mph

Precip.
17%

Night

54°F

NE 9 mph

Precip.
38%

05.11
thu

Day

45°F

SE 16 mph

Precip.
31%

Night

41°F

E 8 mph

Precip.
15%

06.11
fri

Day

41°F

SE 11 mph

Precip.
13%

Night

39°F

SE 6 mph

Precip.
10%

07.11
sat

Day

41°F

SE 2 mph

Precip.
8%

Night

39°F

N 6 mph

Precip.
21%

08.11
sun

Day

46°F

NE 7 mph

Precip.
18%

Night

45°F

N 7 mph

Precip.
21%

09.11
mon

Day

48°F

NW 7 mph

Precip.
16%

Night

45°F

NW 7 mph

Precip.
23%

10.11
tue

Day

48°F

NE 2 mph

Precip.
15%

Night

43°F

NE 3 mph

Precip.
13%

11.11
wed

Day

48°F

E 6 mph

Precip.
18%

Night

48°F

NE 5 mph

Precip.
23%

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:

2026

2025

2024

The average sea water temperature in October of 2026 was 55.5°F. The highest and lowest sea temperatures during the month were 60.4°F and 50.7°F.

Show year:

2025

2024

2023

The average sea water temperature in November of 2025 was 47.6°F. The highest and lowest sea temperatures during the month were 52.7°F and 42.8°F.