World Resorts USA Mackinac Island Weather

Mackinac Island 7 Days Forecast

09.04
thu
Day
37°F
E 16 mph
Precip.
0%
Night
36°F
SE 2 mph
Precip.
0%
10.04
fri
Day
32°F
SE 5 mph
Precip.
0%
Night
25°F
SE 5 mph
Precip.
0%
11.04
sat
Day
30°F
NW 1 mph
Precip.
0%
Night
32°F
W 8 mph
Precip.
100%
12.04
sun
Day
41°F
NW 11 mph
Precip.
100%
Night
50°F
NE 24 mph
Precip.
100%
13.04
mon
Day
45°F
SE 6 mph
Precip.
0%
Night
41°F
SW 6 mph
Precip.
100%
14.04
tue
Day
32°F
SW 9 mph
Precip.
76%
Night
27°F
SW 14 mph
Precip.
100%
15.04
wed
Day
21°F
SW 17 mph
Precip.
100%
Night
21°F
SW 11 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 35.1°F. The highest and lowest sea temperatures during the month were 38.7°F and 32.2°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
September 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
May 2 days
July 2 days
Windiest months:
November 13.5 mph
December 13.2 mph
April 11.7 mph

Mackinac Island on a weather map

Mackinac Island
+39°F
NE 11 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+73°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+63°F
+50°F
24 Hours Forecast
Mackinac Island
Local time: 06:48
April 09, thursday
0900
39°F
E
17 mph
1200
37°F
E
16 mph
1500
37°F
E
15 mph
1800
36°F
E
9 mph
2100
34°F
E
5 mph
April 10, friday
0000
36°F
SE
2 mph
0300
32°F
E
2 mph
0600
30°F
NE
2 mph
Units of measurement: °C / °F