Measurements:
°C
°F
CURRENT WEATHER
01:27
Mackinac Island
60°F
NW 5 mph
Feels like: 60°F
Precip: 30%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

06.25
thu
DAY
58°F
SW 9 mph
precip
19%
NIGHT
58°F
S 7 mph
precip
49%
06.26
fri
DAY
64°F
W 7 mph
precip
9%
NIGHT
60°F
SE 4 mph
precip
10%
06.27
sat
DAY
64°F
W 6 mph
precip
8%
NIGHT
64°F
NW 4 mph
precip
10%
06.28
sun
DAY
68°F
W 9 mph
precip
7%
NIGHT
66°F
NW 9 mph
precip
11%
06.29
mon
DAY
68°F
NW 12 mph
precip
25%
NIGHT
72°F
NW 11 mph
precip
17%
06.30
tue
DAY
76°F
E 11 mph
precip
26%
NIGHT
72°F
N 2 mph
precip
69%
07.01
wed
DAY
74°F
E 5 mph
precip
28%
NIGHT
72°F
N 7 mph
precip
33%

Mackinac Island Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Mackinac Island was 11.3°F. The maximum and minimum values were 8.4°F and 14.3°F respectively.

Mackinac Island on the Weather Map

Best Time to Visit Mackinac Island
The most sunny months:
July 14 days
August 14 days
May 12 days
The most warm months:
August 71.6 °F
July 71.5 °F
September 64.4 °F
Warmest sea temperature:
August 69.2 °F
July 66.8 °F
September 64.1 °F
The most cold months:
February 20.1 °F
January 20.4 °F
December 28.6 °F
The most rainy months:
August 3 days
April 2 days
July 2 days
The most windy months:
November 13 mph
December 13 mph
April 11 mph
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