Mackinac Island weather live forecast

Today's maximum temperature in Mackinac Island is expected to be 22°C. Select a day from the live weather forecast for Mackinac Island, Michigan, USA for more weather parameters.

5-day weather forecast updated at 04:04 on Wednesday 17th September 2025 GMT

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The 5-day weather forecast for Michigan (Mackinac Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mackinac Island weather forecast by day

Below are the detailed weather forecasts for Mackinac Island for the next 5 days.

Mackinac Island weather for Wednesday 17th September 2025

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 15 kph from the west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Mackinac Island weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Mackinac Island, Michigan with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a gentle breeze of 15 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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Mackinac Island weather for Friday 19th September 2025

Expect scattered clouds in Mackinac Island, Michigan with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Mackinac Island weather for Saturday 20th September 2025

Expect scattered clouds in Mackinac Island, Michigan with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 23 kph from the south-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 12% chance of some rain12
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-East23
    kph wind from SE

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Mackinac Island weather for Sunday 21st September 2025

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 50% chance of some rain50
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Metric (°C / mm)  |  Imperial (°F / inches)

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