National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

37°F

3°C

Humidity 96%
Wind Speed N 17 mph
Barometer 29.90 in (1013.2 mb)
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 13 May 3:51 am EDT
Extended Forecast for

6 Miles E Isle Royale National Park MI

  • Today

    Today: Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. North wind 5 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 40. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Breezy.
    Becoming
    Cloudy then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 8am. Partly sunny, with a high near 57. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 36. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 50. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
Showers likely after 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 40. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 57. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 38.
Monday
Showers likely. Cloudy, with a high near 50.
Monday Night
Showers likely. Mostly cloudy, with a low around 39.
Tuesday
A chance of showers. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Isle Royale National Park MI
 48.15°N 88.49°W (Elev. 741 ft)
Last Update:
4:37 am EDT May 13, 2026
Forecast Valid:
4am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation