World Resorts USA Mackinac Island Weather

Mackinac Island 14 Days Forecast

26.06
fri
Day
61°F
W 2 mph
Precip.
9%
Night
59°F
SE 3 mph
Precip.
9%
27.06
sat
Day
63°F
W 4 mph
Precip.
5%
Night
61°F
NW 6 mph
Precip.
9%
28.06
sun
Day
64°F
W 8 mph
Precip.
6%
Night
64°F
NW 8 mph
Precip.
7%
29.06
mon
Day
63°F
NW 14 mph
Precip.
88%
Night
64°F
W 4 mph
Precip.
20%
30.06
tue
Day
77°F
NE 12 mph
Precip.
9%
Night
75°F
NE 15 mph
Precip.
11%
01.07
wed
Day
73°F
E 11 mph
Precip.
5%
Night
68°F
E 4 mph
Precip.
10%
02.07
thu
Day
72°F
E 8 mph
Precip.
26%
Night
68°F
SE 5 mph
Precip.
64%
03.07
fri
Day
70°F
SE 4 mph
Precip.
70%
Night
66°F
N 9 mph
Precip.
42%
04.07
sat
Day
68°F
W 6 mph
Precip.
15%
Night
66°F
NW 4 mph
Precip.
12%
05.07
sun
Day
73°F
SE 4 mph
Precip.
6%
Night
66°F
SW 7 mph
Precip.
5%
06.07
mon
Day
68°F
W 6 mph
Precip.
4%
Night
68°F
NW 7 mph
Precip.
9%
07.07
tue
Day
72°F
N 5 mph
Precip.
53%
Night
66°F
N 7 mph
Precip.
75%
08.07
wed
Day
68°F
E 8 mph
Precip.
17%
Night
63°F
SE 9 mph
Precip.
28%
09.07
thu
Day
57°F
SE 14 mph
Precip.
41%
Night
63°F
NW 8 mph
Precip.
6%

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 52.8°F. The highest and lowest sea temperatures during the month were 57.9°F and 47.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 70.7°F and 59.0°F.

Air temperature in Mackinac Island, °F

Precipitation total in Mackinac Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Mackinac Island

Sunniest months:
July 14 days
August 14 days
May 12 days
Warmest months:
August 69.4 °F
July 69.3 °F
September 62.9 °F
Warmest sea temp:
August 67.3 °F
July 65.1 °F
September 62.7 °F
Coldest months:
February 23.1 °F
January 23.4 °F
December 30.7 °F
Rainiest months:
August 3 days
April 2 days
July 2 days
Windiest months:
November 13.5 mph
December 13.2 mph
April 11.6 mph

Mackinac Island on a weather map

Mackinac Island
+64°F
E 4 mph
Feels like: +64°F
Precip.: 7%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+91°F
+93°F
+88°F
+70°F
24 Hours Forecast
Mackinac Island
Local time: 18:20
June 26, friday
2100
61°F
S
6 mph
June 27, saturday
0000
59°F
SE
3 mph
0300
57°F
S
2 mph
0600
57°F
S
3 mph
0900
61°F
SW
3 mph
1200
63°F
W
4 mph
1500
66°F
NW
6 mph
1800
68°F
W
7 mph
Units of measurement: °C / °F