Isle Royale weather live forecast

Today's maximum temperature in Isle Royale is expected to be 70°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 Saturday 16th 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 Saturday 16th August 2025

Expect broken clouds in Isle Royale, Michigan with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north.

  • 70°F maximum temperature70
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • 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 broken clouds in Isle Royale, Michigan with a maximum temperature of 68°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 18 mph from the East18
    mph wind from E

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Isle Royale weather for Monday 18th August 2025

Expect isolated thunderstorms in Isle Royale, Michigan with a maximum temperature of 70°F, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 17 mph from the east.

  • 70°F maximum temperature70
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 75% chance of some rain75
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Moderate breeze of 17 mph from the East17
    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 72°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 61°F minimum temperature61
    °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
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 12 mph from the North-East12
    mph wind from NE

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Isle Royale weather for Wednesday 20th August 2025

Expect scattered clouds in Isle Royale, Michigan with a maximum temperature of 77°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

  • 77°F maximum temperature77
    °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 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Light breeze of 6 mph from the North6
    mph wind from N

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