Mackinac Island, MI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Aug 22 		Isolated Thunderstorms
Close Hourly 		69º / 58º 34% NW 15 mph 75%
4pm Cloudy 70º 15% NW 7 mph 72%
5pm Mostly Cloudy 70º 15% NW 9 mph 71%
6pm Partly Cloudy 68º 5% NW 11 mph 70%
7pm Partly Cloudy 66º 2% NW 15 mph 70%
8pm Partly Cloudy 65º 15% NW 15 mph 75%
9pm Partly Cloudy 63º 15% NW 14 mph 80%
10pm Partly Cloudy 62º 15% NW 15 mph 81%
11pm Mostly Clear 61º 7% NW 14 mph 82%
Sun
Aug 23 		Mostly Cloudy
View Hourly 		63º / 56º 11% NW 19 mph 73%
12am Partly Cloudy 61º 8% NW 14 mph 84%
1am Mostly Clear 61º 8% NW 13 mph 84%
2am Mostly Clear 60º 7% NW 14 mph 88%
3am Mostly Clear 59º 7% NW 14 mph 90%
4am Mostly Clear 59º 7% NNW 13 mph 90%
5am Partly Cloudy 59º 7% NNW 14 mph 90%
6am Mostly Cloudy 59º 7% NNW 14 mph 89%
7am Mostly Cloudy 59º 7% NW 15 mph 87%
8am Partly Cloudy 59º 8% NNW 15 mph 85%
9am Mostly Cloudy 60º 7% NNW 15 mph 80%
10am Partly Cloudy 61º 6% NNW 15 mph 77%
11am Partly Cloudy 62º 5% NNW 16 mph 74%
12pm Mostly Cloudy 62º 6% NW 16 mph 69%
1pm Mostly Cloudy 63º 3% NW 17 mph 69%
2pm Cloudy 63º 8% NW 17 mph 67%
3pm Cloudy 63º 11% NW 18 mph 64%
4pm Cloudy 63º 6% NW 18 mph 66%
5pm Cloudy 62º 4% NW 19 mph 69%
6pm Cloudy 62º 4% NW 17 mph 69%
7pm Mostly Cloudy 61º 4% NW 17 mph 71%
8pm Cloudy 60º 4% NW 16 mph 74%
9pm Mostly Cloudy 59º 4% NW 15 mph 76%
10pm Mostly Cloudy 58º 4% NW 15 mph 76%
11pm Mostly Cloudy 58º 4% NW 14 mph 77%
Mon
Aug 24 		Partly Cloudy
View Hourly 		69º / 54º 5% NW 15 mph 70%
12am Mostly Cloudy 58º 14% NW 15 mph 78%
1am Cloudy 58º 13% NW 15 mph 78%
2am Mostly Cloudy 58º 10% NW 15 mph 79%
3am Mostly Cloudy 58º 13% NW 15 mph 81%
4am Partly Cloudy 58º 5% NW 14 mph 81%
5am Mostly Cloudy 57º 5% NW 14 mph 81%
6am Mostly Cloudy 57º 5% NW 15 mph 81%
7am Mostly Cloudy 57º 5% NW 15 mph 83%
8am Mostly Cloudy 58º 5% NW 15 mph 81%
9am Partly Cloudy 60º 5% NW 15 mph 77%
10am Partly Cloudy 61º 4% NW 15 mph 74%
11am Mostly Cloudy 63º 3% NW 15 mph 72%
12pm Partly Cloudy 65º 3% NW 14 mph 68%
1pm Partly Cloudy 65º 3% NW 14 mph 68%
2pm Partly Cloudy 67º 2% NW 14 mph 66%
3pm Partly Cloudy 68º 2% NW 14 mph 63%
Tue
Aug 25 		Partly Cloudy 73º / 60º 7% W 8 mph 70%
Wed
Aug 26 		Thunderstorms 71º / 61º 74% S 9 mph 84%
Thu
Aug 27 		Showers 71º / 56º 39% NW 11 mph 82%
Fri
Aug 28 		Partly Cloudy 70º / 54º 19% NW 9 mph 71%
Sat
Aug 29 		Partly Cloudy 71º / 59º 13% SSE 7 mph 72%

Weather Radar for Mackinac Island, MI See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Mackinac Island, MI

Today
High : 71ºF
NNW wind around 10 kt becoming WNW in the afternoon. Isolated showers and thunderstorms. A slight chance of waterspouts after noon. Waves 1 ft or less.
Tonight
Low : 59ºF
NW wind around 15 kt. Isolated showers after 11pm. A slight chance of waterspouts between 4am and 5am. Waves 1 to 2 ft.
Sunday
High : 64ºF
NNW wind 15 to 20 kt, with gusts as high as 25 kt. Scattered showers, mainly after 5pm. Waves around 2 ft.
Sunday Night
Low : 57ºF
NW wind 15 to 20 kt. Scattered showers, mainly before 8pm. Waves around 2 ft.
Monday
High : 69ºF
NW wind around 15 kt. A slight chance of showers. Waves 1 to 2 ft.
Monday Night
Low : 56ºF
NW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.
Tuesday
High : 73ºF
WNW wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Low : 61ºF
WSW wind 5 to 10 kt becoming S after midnight. Mostly cloudy. Waves 1 ft or less.
Wednesday
High : 74ºF
S wind around 10 kt. Showers and possibly a thunderstorm, mainly after 2pm. Waves 1 ft or less.

NOAA Buoy Data Near Mackinac Island, MI See Map

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    Wind Speed Forecast for Mackinac Island, MI

    SaturdaySundayMonday
    Wind Speed (MPH) 71514131516181615141514
    8pm12am4am8am12pm4pm8pm12am4am8am12pm4pm
    MPH 71514131516181615141514
    DIR NWNWNWNNWNNWNWNWNWNWNWNWNW

    Current Weather Conditions In Mackinac Island, MI

    As Of: 47 minutes ago

    • 70ºF
    • 70ºF
    • 7mph
    • 0º (NW)
    • 7mph
    • Cloudy
    • 10mi
    • 29.81"
    • 72%
    • 0ºF

    The weather right now in Mackinac Island, MI is Cloudy. The current temperature is 70°F, and the expected high and low for today, Saturday, August 22, 2026, are 69° high temperature and 58°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the Northwest. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 70° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 72 percent, and air pressure at 29.81 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 10:15am Sat Aug 22 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM EDT MONDAY...

    WHAT: Highest gusts up to 30 kts from the northwest and
    highest waves around 6 feet expected.

    WHERE: In Lake Huron, Straits of Mackinac within 5 nm of
    Mackinac Bridge including Mackinac Island. In Lake Michigan,
    Grand Traverse Bay south of a line Grand Traverse Light to
    Norwood MI, Seul Choix Point to 5NM West of Mackinac Bridge,
    Norwood MI to 5NM West of Mackinac Bridge including Little
    Traverse Bay and Sleeping Bear Point to Grand Traverse Light
    MI.

    WHEN: From 5 PM this afternoon to 5 PM EDT Monday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&