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.

61°F

16°C

Humidity 84%
Wind Speed N 14 G 21 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 23 Aug 12:51 am EDT
Extended Forecast for

8 Miles WSW Isle Royale National Park MI

  • Overnight

    Overnight: Mostly clear, with a low around 55. Breezy, with a north wind 15 to 20 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.

    High: 68 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. West wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 70.

    High: 70 °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 69.

    High: 69 °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

Overnight
Mostly clear, with a low around 55. Breezy, with a north wind 15 to 20 mph.
Sunday
Mostly sunny, with a high near 68. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56. West wind 5 to 10 mph.
Monday
Sunny, with a high near 70. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 70.
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 69.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Isle Royale National Park MI
 48.08°N 88.75°W (Elev. 771 ft)
Last Update:
1:22 am EDT Aug 23, 2026
Forecast Valid:
1am EDT Aug 23, 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