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 76%
Wind Speed E 5 mph
Barometer 29.89 in (1011.8 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 11 Aug 6:51 pm EDT
Extended Forecast for

10 Miles SW Isle Royale National Park MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Northwest wind around 5 mph becoming calm.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 72. North wind around 5 mph becoming calm in the morning.

    High: 72 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Calm wind becoming north around 5 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 75. Northwest wind around 5 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around 60. West wind around 5 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 72. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 58. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 69.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers. Partly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Isle Royale National Park MI
 48.04°N 88.78°W (Elev. 1001 ft)
Last Update:
4:18 pm EDT Aug 11, 2026
Forecast Valid:
7pm EDT Aug 11, 2026-6pm EDT Aug 18, 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