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Mackinac Island Weather

Mackinac Island 14 Days Forecast

31.05
sun

Day

57°F

E 8 mph

Precip.
0%

Night

50°F

SE 6 mph

Precip.
0%

01.06
mon

Day

54°F

W 11 mph

Precip.
0%

Night

54°F

SE 3 mph

Precip.
0%

02.06
tue

Day

59°F

W 1 mph

Precip.
0%

Night

54°F

E 7 mph

Precip.
0%

03.06
wed

Day

59°F

E 9 mph

Precip.
0%

Night

54°F

N 7 mph

Precip.
0%

04.06
thu

Day

61°F

NE 13 mph

Precip.
0%

Night

54°F

E 11 mph

Precip.
23%

05.06
fri

Day

50°F

E 6 mph

Precip.
40%

Night

50°F

NE 5 mph

Precip.
0%

06.06
sat

Day

57°F

W 9 mph

Precip.
29%

Night

55°F

N 4 mph

Precip.
0%

07.06
sun

Day

63°F

E 6 mph

Precip.
0%

Night

59°F

E 6 mph

Precip.
100%

08.06
mon

Day

57°F

W 17 mph

Precip.
100%

Night

57°F

W 11 mph

Precip.
100%

09.06
tue

Day

61°F

W 11 mph

Precip.
100%

Night

59°F

W 3 mph

Precip.
100%

10.06
wed

Day

61°F

E 8 mph

Precip.
0%

Night

59°F

SE 4 mph

Precip.
0%

11.06
thu

Day

64°F

NW 2 mph

Precip.
20%

Night

63°F

N 5 mph

Precip.
0%

12.06
fri

Day

66°F

E 9 mph

Precip.
0%

Night

66°F

NE 4 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 May of 2026 was 40.9°F. The highest and lowest sea temperatures during the month were 46.8°F and 36.7°F.

Show year:

2025

2024

2023

The average sea water temperature in June of 2025 was 54.3°F. The highest and lowest sea temperatures during the month were 59.5°F and 48.2°F.