Weather Near Copper Harbor, Michigan
Current Weather
Five Day Weather Forecast
Tue
H: 84°F
L: 57°F
Wed
H: 63°F
L: 55°F
Thu
H: 62°F
L: 51°F
Fri
H: 60°F
L: 52°F
Sat
H: 59°F
L: 48°F
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:40 PM
Daylight: 15 hrs 37 mins
Moon Transit: 2:15 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
1:42 AM - 4:12 AM1:45 PM - 4:15 PM
Minor Periods
9:49 PM - 11:19 PM5:24 AM - 6:54 AM
Action Rating: 4 out of 5
Extreme Heat Warning issued July 14 at 3:26AM EDT until July 14 at 10:00PM EDT by NWS Marquette MI
Effective: Tue July 14, 2026, 3:26 AM
Expires: Tue July 14, 2026, 5:00 PM
* WHAT...Dangerously hot conditions with heat index values between 98 to 105. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 10 PM EDT /9 PM CDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Small Craft Advisory issued July 13 at 9:06PM EDT until July 14 at 10:00AM EDT by NWS Marquette MI
Effective: Mon July 13, 2026, 9:06 PM
Expires: Tue July 14, 2026, 9:15 AM
* WHAT...Southwest to west winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Manitou Island to Point Isabelle MI and Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...Until 10 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued July 14 at 3:36AM EDT until July 14 at 10:00AM EDT by NWS Marquette MI
Effective: Tue July 14, 2026, 3:36 AM
Expires: Tue July 14, 2026, 10:00 AM
* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Manitou Island to Point Isabelle MI and Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 101.25 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:40 PM
Daylight: 15 hrs 37 mins
Moon Transit: 2:15 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
1:42 AM - 4:12 AM1:45 PM - 4:15 PM
Minor Periods
9:49 PM - 11:19 PM5:24 AM - 6:54 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 73.96 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:40 PM
Daylight: 15 hrs 35 mins
Moon Transit: 3:14 PM
Moonset: 10:47 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
2:43 AM - 5:13 AM2:44 PM - 5:14 PM
Minor Periods
10:17 PM - 11:47 PM6:52 AM - 8:22 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.46 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 63.58 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:39 PM
Daylight: 15 hrs 33 mins
Moon Transit: 4:07 PM
Moonset: 11:08 PM
Moon Phase: New
Moon Illumination: 2.4%
Best Times for Fishing or Hunting
Major Periods
3:39 AM - 6:09 AM3:37 PM - 6:07 PM
Minor Periods
12:00 AM - 12:00 AM8:18 AM - 9:48 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 66.08 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:38 PM
Daylight: 15 hrs 31 mins
Moon Transit: 4:55 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
4:30 AM - 7:00 AM4:25 PM - 6:55 PM
Minor Periods
9:39 AM - 11:09 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.21 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 76.56 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:37 PM
Daylight: 15 hrs 29 mins
Moon Transit: 5:41 PM
Moonset: 12:26 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
5:16 AM - 7:46 AM5:11 PM - 7:41 PM
Minor Periods
10:55 AM - 12:25 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5