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.

69°F

21°C

Humidity 61%
Wind Speed Calm
Barometer 29.84 in (1009.8 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 1 Sep 11:51 pm EDT
Extended Forecast for

10 Miles SW Isle Royale National Park MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming northeast around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. Calm wind becoming east around 5 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Northwest wind around 5 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming northeast around 5 mph.
Thursday Night
Increasing clouds, with a low around 58. Calm wind becoming east around 5 mph after midnight.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 54.
Labor Day
Partly sunny, with a high near 60.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Isle Royale National Park MI
 48.01°N 88.75°W (Elev. 659 ft)
Last Update:
11:27 pm EDT Sep 1, 2026
Forecast Valid:
12am EDT Sep 2, 2026-6pm EDT Sep 8, 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