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Mackinac Island, MI 49757 Weather

It is 50°F and cloudy in Mackinac Island, MI 49757, observed at 5:35 PM EDT. Tonight: Mostly Cloudy, low 43°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Mackinac Island, MI 49757 current weather

50°F

Cloudy

H -- / L 43°Feels like 45°

  • No rain expected in the next 12 hours

Observed at Mackinac Island Airport (0.1 mi away), 10/29/2026, 5:35 PM EDT

Hourly forecast

NWS, updated 10/29/2026, 3:25 PM PT

  1. Now50°
  2. 7 PM47°
  3. 8 PM46°
  4. 9 PM45°
  5. 10 PM45°
  6. 11 PM45°
  7. 12 AM45°Fri
  8. 1 AM45°
  9. 2 AM45°
  10. 3 AM46°
  11. 4 AM46°
  12. 5 AM45°
  13. 6 AM44°
  14. 7 AM44°
  15. 8 AM43°
  16. 9 AM44°
  17. 10 AM45°
  18. 11 AM46°
  19. 12 PM47°
  20. 1 PM47°
  21. 2 PM49°
  22. 3 PM49°
  23. 4 PM49°
  24. 5 PM49°
  25. 6 PM48°
  26. 7 PM45°
  27. 8 PM44°
  28. 9 PM43°
  29. 10 PM41°
  30. 11 PM41°
  31. 12 AM40°Sat
  32. 1 AM42°
  33. 2 AM39°
  34. 3 AM39°
  35. 4 AM39°
  36. 5 AM39°
  37. 6 AM37°
  38. 7 AM38°
  39. 8 AM38°
  40. 9 AM39°
  41. 10 AM41°
  42. 11 AM44°
  43. 12 PM46°
  44. 1 PM49°
  45. 2 PM50°
  46. 3 PM51°
  47. 4 PM52°
  48. 5 PM51°

7-day forecast

Tap a day for details

  • Today10/29Low 43°High

    Tonight: Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind around 15 mph.

    Mostly Cloudy
  • Fri10/30Low 36°High 50°

    Friday: Partly sunny, with a high near 50. Northwest wind around 15 mph.

    Friday Night: Partly cloudy. Low around 36, with temperatures rising to around 39 overnight. Northwest wind 0 to 10 mph.

    Partly Sunny
  • Sat10/31Low 44°High 52°

    Saturday: Mostly sunny, with a high near 52. South wind 0 to 5 mph.

    Saturday Night: Mostly cloudy, with a low around 44. South wind around 5 mph.

    Mostly Sunny
  • Sun11/1Low 48°High 56°

    Sunday: Mostly cloudy, with a high near 56.

    Sunday Night: Mostly cloudy, with a low around 48.

    Mostly Cloudy
  • Mon11/253% chance of precipitationLow 49°High 59°

    Monday: Partly sunny, with a high near 59.

    Monday Night: A chance of rain after 7pm. Mostly cloudy, with a low around 49.

    Partly Sunny
  • Tue11/361% chance of precipitationLow 51°High 59°

    Tuesday: Rain likely. Mostly cloudy, with a high near 59.

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 51.

    Light Rain Likely
  • Wed11/454% chance of precipitationLow 48°High 58°

    Wednesday: A chance of rain. Mostly cloudy, with a high near 58.

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Chance Light Rain
  • Thu11/546% chance of precipitationLow High 54°

    Thursday: A chance of rain. Mostly cloudy, with a high near 54.

    Chance Light Rain

Forecast for 45.866, -84.631 from the NWS APX office, updated 10/29/2026, 3:25 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now50°Mostly Cloudy4%15 mph
  2. 7 PM47°Mostly Cloudy4%15 mph
  3. 8 PM46°Mostly Cloudy4%15 mph
  4. 9 PM45°Mostly Cloudy4%15 mph
  5. 10 PM45°Mostly Cloudy3%15 mph
  6. 11 PM45°Mostly Cloudy3%15 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Mackinac Island, MI 49757 right now?
The latest observation from Mackinac Island Airport was 50°F and cloudy, reported at 10/29/2026, 5:35 PM EDT.
Will it rain in Mackinac Island, MI 49757 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Mackinac Island, MI 49757 today?
Sunrise is about 8:14 AM EDT and sunset is about 6:29 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Mackinac Island, MI 49757?
At St Ignace, the 1991 to 2020 normal high in October is 55°F and the normal low is 39°F.

Nearby hazards

Michigan hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

UV index today (Mackinac Island)
2Low
AQI forecast today (Eastern Upper Peninsula)
GoodOzone
AQI forecast tomorrow (Eastern Upper Peninsula)
GoodOzone

UV index guide · Air quality

Drought

By county

Mackinac County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
8:14 AM
Sunset
6:29 PM
Daylight
10 hr 14 min
Moon
Waning Gibbous 85% lit
First light (civil dawn)
7:44 AM
Last light (civil dusk)
7 PM
Moonrise
8:39 PM
Moonset
12:46 PM

Normal October weather

Climate

Normal October high 55°, low 39°, precipitation 4.31 in for the month. 1991 to 2020 normals at St Ignace, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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