Mackinac Island, MI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 13 		Mostly Sunny
Close Hourly 		82º / 73º 10% WSW 14 mph 76%
5am Partly Cloudy 69º 10% SW 11 mph 86%
6am Partly Cloudy 68º 24% SW 11 mph 90%
7am Partly Cloudy 69º 3% SW 11 mph 91%
8am Partly Cloudy 72º 2% SW 13 mph 81%
9am Sunny 74º 2% WSW 13 mph 79%
10am Sunny 76º 2% WSW 13 mph 76%
11am Sunny 78º 2% WSW 12 mph 72%
12pm Sunny 78º 5% WSW 13 mph 71%
1pm Sunny 79º 4% WSW 12 mph 71%
2pm Sunny 80º 4% WSW 12 mph 71%
3pm Sunny 81º 4% WSW 12 mph 69%
4pm Mostly Sunny 82º 4% WSW 12 mph 68%
5pm Sunny 81º 4% WSW 12 mph 69%
6pm Mostly Sunny 81º 4% WSW 12 mph 70%
7pm Mostly Sunny 81º 4% WSW 11 mph 70%
8pm Sunny 79º 5% WSW 11 mph 72%
9pm Sunny 77º 5% WSW 11 mph 77%
10pm Clear 76º 6% WSW 10 mph 79%
11pm Mostly Clear 76º 5% WSW 10 mph 80%
Tue
Jul 14 		Sunny
View Hourly 		84º / 64º 6% WSW 16 mph 65%
12am Clear 76º 5% WSW 12 mph 79%
1am Clear 75º 5% WSW 12 mph 80%
2am Mostly Clear 76º 6% WSW 13 mph 78%
3am Mostly Clear 75º 6% WSW 13 mph 79%
4am Partly Cloudy 74º 6% WSW 13 mph 80%
5am Partly Cloudy 75º 6% WSW 13 mph 80%
6am Partly Cloudy 74º 6% WSW 13 mph 81%
7am Sunny 74º 6% WSW 13 mph 80%
8am Sunny 75º 6% WSW 13 mph 78%
9am Sunny 77º 5% WSW 13 mph 71%
10am Sunny 80º 4% WSW 13 mph 65%
11am Sunny 81º 4% WSW 13 mph 63%
12pm Sunny 81º 3% WSW 14 mph 62%
1pm Mostly Sunny 82º 3% WSW 15 mph 59%
2pm Sunny 83º 3% WSW 15 mph 60%
3pm Sunny 83º 3% WSW 15 mph 59%
4pm Sunny 83º 3% WSW 16 mph 59%
5pm Sunny 82º 3% WSW 16 mph 60%
6pm Sunny 82º 3% WSW 15 mph 62%
7pm Sunny 81º 4% WSW 13 mph 61%
8pm Sunny 80º 4% W 12 mph 63%
9pm Sunny 77º 4% W 11 mph 70%
10pm Mostly Clear 75º 3% WNW 9 mph 70%
11pm Partly Cloudy 73º 3% NW 8 mph 69%
Wed
Jul 15 		Mostly Cloudy
View Hourly 		83º / 63º 4% WNW 11 mph 55%
12am Mostly Clear 71º 6% NW 7 mph 67%
1am Mostly Clear 71º 7% NW 7 mph 67%
2am Partly Cloudy 69º 8% NW 7 mph 68%
3am Partly Cloudy 68º 5% NW 7 mph 71%
4am Partly Cloudy 67º 3% NW 7 mph 72%
Thu
Jul 16 		Partly Cloudy 80º / 62º 2% NW 9 mph 55%
Fri
Jul 17 		Showers 73º / 63º 67% ESE 11 mph 71%
Sat
Jul 18 		AM Showers 75º / 60º 54% NNE 11 mph 70%
Sun
Jul 19 		Partly Cloudy 76º / 62º 15% ENE 9 mph 64%
Mon
Jul 20 		Mostly Cloudy 75º / 62º 24% WSW 12 mph 70%

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

Monday
High : 84ºF
W wind around 15 kt. A slight chance of showers before 8am. Waves around 1 ft.
Monday Night
Low : 69ºF
W wind 10 to 15 kt. Mostly clear. Waves 1 ft or less.
Tuesday
High : 82ºF
W wind around 15 kt. Sunny. Waves around 1 ft.
Tuesday Night
Low : 73ºF
NW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.
Wednesday
High : 82ºF
WNW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.
Wednesday Night
Low : 65ºF
NW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.
Thursday
High : 79ºF
WNW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
Low : 63ºF
N wind around 10 kt. A chance of showers. Waves 1 ft or less.
Friday
High : 75ºF
E wind around 10 kt. A chance of showers. Waves around 1 ft.

NOAA Buoy Data Near Mackinac Island, MI See Map

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    Wind Speed Forecast for Mackinac Island, MI

    MondayTuesdayWednesday
    Wind Speed (MPH) 11131212111213131516117
    9am1pm5pm9pm1am5am9am1pm5pm9pm1am5am
    MPH 11131212111213131516117
    DIR SWWSWWSWWSWWSWWSWWSWWSWWSWWSWWNW

    Current Weather Conditions In Mackinac Island, MI

    As Of: 1 minute ago

    • 69ºF
    • 69ºF
    • 11mph
    • 0º (SW)
    • 18mph
    • Partly Cloudy
    • 10mi
    • 30.03"
    • 86%
    • 0ºF

    The weather right now in Mackinac Island, MI is Partly Cloudy. The current temperature is 69°F, and the expected high and low for today, Monday, July 13, 2026, are 82° high temperature and 73°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the Southwest. The wind is gusting to 18 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 10 percent, with current humidity at 86 percent, and air pressure at 30.03 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 2:31am Mon Jul 13 2026

    ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 AM EDT TUESDAY...

    WHAT: Actual temperatures of 89 to 95 degrees expected. Heat
    index values between 96 and 102 expected. Overnight temperatures
    Monday night will struggle to get below 75 degrees. The hottest
    conditions are expected away from the immediate Lake Michigan
    shore.

    WHERE: Central Chippewa, Eastern Mackinac, Southeast Chippewa,
    Western Chippewa, and Western Mackinac Counties, and Mackinac
    Island/Bois Blanc Island.

    WHEN: From noon today to 8 AM EDT Tuesday.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    Take extra precautions when outside. Wear lightweight and loose
    fitting clothing. Try to limit strenuous activities to early morning
    or evening. Take action when you see symptoms of heat exhaustion and
    heat stroke.

    &&