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.

60°F

16°C

Humidity 75%
Wind Speed N 17 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 23 Aug 1:51 pm EDT
Extended Forecast for

4 Miles S Isle Royale National Park MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. North wind around 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

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

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. North wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West 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 71. South wind around 5 mph.

    High: 71 °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 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 73.

    High: 73 °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 67. North wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 53. West wind around 5 mph.
Monday
Sunny, with a high near 73. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 56. West wind around 5 mph.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71. South wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 58. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 73.
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 S Isle Royale National Park MI
 48.07°N 88.62°W (Elev. 643 ft)
Last Update:
1:12 pm EDT Aug 23, 2026
Forecast Valid:
2pm 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