Isle Royale weather live forecast

Today's maximum temperature in Isle Royale is expected to be 77°F. Select a day from the live weather forecast for Isle Royale, Michigan, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 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 Friday 15th August 2025

Expect isolated thunderstorms in Isle Royale, Michigan with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 16 mph from the south-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 19% chance of some rain19
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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Isle Royale weather for Saturday 16th August 2025

Expect scattered clouds in Isle Royale, Michigan with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north.

  • 73°F maximum temperature73
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Moderate breeze of 14 mph from the North14
    mph wind from N

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Isle Royale weather for Sunday 17th August 2025

Expect mostly cloudy with light rain in Isle Royale, Michigan with a maximum temperature of 68°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 17 mph from the east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the East17
    mph wind from E

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Isle Royale weather for Monday 18th August 2025

Expect mostly cloudy with rain in Isle Royale, Michigan with a maximum temperature of 72°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 50 mm or more of rainfall expected with 36% chance of some rain and a moderate breeze of 15 mph from the east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 36% chance of some rain36
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the East15
    mph wind from E

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Isle Royale weather for Tuesday 19th August 2025

Expect broken clouds in Isle Royale, Michigan with a maximum temperature of 73°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the east.

  • 73°F maximum temperature73
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Gentle breeze of 10 mph from the East10
    mph wind from E

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