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Copper Harbor, MI Weather Forecast
Copper Harbor, MI Weather Forecast Date: 222 PM EDT Wed Sep 23 2026
The area/counties/county of: Keweenaw, including the city of Copper Harbor.or toggle through each period.
Late This Afternoon... Sunny. Southeast winds 5 to 15 mph.
Tonight... Clear. Lows in the upper 40s. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight.
Thursday... Partly cloudy in the morning, then becoming cloudy. Highs 61 to 66. South winds 5 to 10 mph, becoming southeast in the afternoon.
Thursday Night... Cloudy. Lows 50 to 55. Southeast winds 5 to 10 mph, becoming light southwest after midnight.
Friday... Mostly sunny. Highs 61 to 66 inland to around 67 at The shore. Temperature falling into the lower 60s in the afternoon. Light southwest winds.
Friday Night... Mostly clear. Lows 51 to 56. Light southeast winds.
Saturday... Mostly sunny. Highs 64 to 69.
Saturday Night... Mostly cloudy. Lows 52 to 57. Highs 63 to 68.
Sunday... Mostly cloudy. Lows 52 to 57. Highs 63 to 68.
Monday... Mostly cloudy. Lows 52 to 57. Highs 63 to 68.
Tuesday... Mostly cloudy with a 50% chance of showers. Highs 63 to 68.
Tuesday Night... Showers likely in the evening, then a chance of showers after midnight. Cloudy. Lows around 51. Chance of rain 60%.
POP = Probability of Precipitation
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