National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mackinac Island Airport (KMCD)

Lat: 45.87°NLon: 84.63°WElev: 738ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed S 8 mph
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 7 Aug 4:35 am EDT
Extended Forecast for

Mackinac Island MI

  • Today

    Today: Sunny, with a high near 76. South wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 11pm. Increasing clouds, with a low around 65. Southeast wind 5 to 10 mph becoming west after midnight.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 10 to 15 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. West wind 5 to 10 mph becoming southwest after midnight.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. South wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 11pm. Increasing clouds, with a low around 65. Southeast wind 5 to 10 mph becoming west after midnight.
Saturday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming southwest after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mackinac Island MI
 45.86°N 84.62°W (Elev. 768 ft)
Last Update:
4:12 am EDT Aug 7, 2026
Forecast Valid:
4am EDT Aug 7, 2026-6pm EDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation