Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

74°F

23°C

Humidity 50%
Wind Speed NW 9 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 1 Sep 8:51 pm EDT
Extended Forecast for

13 Miles SW Isle Royale National Park MI

  • Tonight

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

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind around 5 mph becoming calm  in the morning.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

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

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Northwest wind around 5 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph.
Thursday Night
Partly cloudy, with a low around 58. Calm wind becoming east around 5 mph after midnight.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 59.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 55.
Labor Day
Partly sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SW Isle Royale National Park MI
 48°N 88.82°W (Elev. 659 ft)
7:12 pm EDT Sep 1, 2026
9pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
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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