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.

59°F

15°C

Humidity 81%
Wind Speed N 17 G 26 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 23 Aug 12:51 pm EDT
Extended Forecast for

4 Miles SSW Isle Royale National Park MI

  • This Afternoon

    This Afternoon: 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

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. North wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Southwest wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74. South wind around 5 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 53. West wind 5 to 10 mph.
Monday
Sunny, with a high near 74. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 56. Southwest wind around 5 mph.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74. South wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 59. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Isle Royale National Park MI
 48.07°N 88.66°W (Elev. 748 ft)
Last Update:
12:13 pm EDT Aug 23, 2026
Forecast Valid:
12pm 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