Isle Royale weather live forecast

Today's maximum temperature in Isle Royale is expected to be 20°C. Select a day from the live weather forecast for Isle Royale, Michigan, USA for more weather parameters.

5-day weather forecast updated at 04:04 on Monday 29th September 2025 GMT

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

Isle Royale weather forecast by day

Below are the detailed weather forecasts for Isle Royale for the next 5 days.

Isle Royale weather for Monday 29th September 2025

Expect scattered clouds in Isle Royale, Michigan with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Isle Royale weather for Tuesday 30th September 2025

Expect broken clouds in Isle Royale, Michigan with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 25 kph from the East25
    kph wind from E

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Isle Royale weather for Wednesday 1st October 2025

Expect broken clouds in Isle Royale, Michigan with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the South-East21
    kph wind from SE

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Isle Royale weather for Thursday 2nd October 2025

Expect sunshine and showers in Isle Royale, Michigan with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 23 kph from the south.

  • 20°C maximum temperature20
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 22% chance of some rain22
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 23 kph from the South23
    kph wind from S

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Isle Royale weather for Friday 3rd October 2025

Expect sunshine and showers in Isle Royale, Michigan with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 23 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 35% chance of some rain35
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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

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