Measurements:
°C
°F
Mackinac Island
68°F
E 9 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

06.04
thu
DAY
68°F
E 9 mph
precip
0%
NIGHT
60°F
N 7 mph
precip
1%
06.05
fri
DAY
60°F
N 7 mph
precip
91%
NIGHT
58°F
NE 7 mph
precip
72%
06.06
sat
DAY
58°F
E 7 mph
precip
54%
NIGHT
54°F
S 7 mph
precip
7%
06.07
sun
DAY
60°F
W 7 mph
precip
3%
NIGHT
58°F
NW 8 mph
precip
5%
06.08
mon
DAY
60°F
W 17 mph
precip
17%
NIGHT
58°F
NW 11 mph
precip
3%
06.09
tue
DAY
58°F
W 13 mph
precip
6%
NIGHT
62°F
NW 11 mph
precip
12%
06.10
wed
DAY
62°F
W 9 mph
precip
23%
NIGHT
64°F
NW 5 mph
precip
39%

Mackinac Island Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Mackinac Island was 12.4°F. The maximum and minimum values were 9.0°F and 15.3°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