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

3 Miles SSW Isle Royale National Park MI

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

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

    High: 70 °F

    Sunny

  • Monday Night

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

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of 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 74.

    High: 74 °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
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph.
Monday
Sunny, with a high near 70. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. West wind around 5 mph.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
A chance of 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 74.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Isle Royale National Park MI
 48.09°N 88.62°W (Elev. 899 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

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation