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.

63°F

17°C

Humidity 84%
Wind Speed N 15 G 24 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 22 Aug 8:51 pm EDT
Extended Forecast for

13 Miles SW Isle Royale National Park MI

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Northwest wind around 5 mph becoming calm in the morning.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 67. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. West wind around 5 mph.
Monday
Sunny, with a high near 70. Northwest wind around 5 mph becoming calm in the morning.
Monday Night
Mostly cloudy, with a low around 57. Southwest wind around 5 mph.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 72.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SW Isle Royale National Park MI
 48.02°N 88.85°W (Elev. 801 ft)
Last Update:
8:17 pm EDT Aug 22, 2026
Forecast Valid:
9pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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