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.

67°F

19°C

Humidity 68%
Wind Speed N 10 G 21 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 22 Aug 5:51 pm EDT
Extended Forecast for

9 Miles SW Isle Royale National Park MI

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. North wind around 5 mph becoming calm in the morning.

    High: 69 °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 74.

    High: 74 °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 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph.
Monday
Sunny, with a high near 69. North 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 74.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Isle Royale National Park MI
 48.03°N 88.72°W (Elev. 699 ft)
Last Update:
5:27 pm EDT Aug 22, 2026
Forecast Valid:
6pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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