Harman US

Copper City, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Copper City, a village in Keweenaw County, Michigan.

Overnight
53°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 53. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Copper City

WhenTempForecastWindPrecip
Overnight 53°F Rain Showers 5 mph E 89%
Wednesday 61°F Rain Showers 5 to 10 mph SE 97%
Wednesday Night 45°F Rain Showers 5 to 10 mph SW 93%
Thursday 45°F Rain Showers 15 to 25 mph N 97%
Thursday Night 31°F Rain Showers Likely then Cloudy 15 to 20 mph NE 69%
Friday 41°F Partly Sunny 5 to 15 mph NE 2%
Friday Night 30°F Partly Cloudy 0 to 5 mph SE 2%
Saturday 46°F Mostly Sunny 5 to 10 mph SW 0%
Saturday Night 35°F Mostly Cloudy 5 to 10 mph W 8%
Sunday 47°F Partly Sunny 10 to 15 mph W 13%
Sunday Night 36°F Mostly Cloudy 10 to 15 mph W 13%
Monday 49°F Partly Sunny 10 to 15 mph SW 1%
Monday Night 37°F Mostly Cloudy 15 mph W 9%
Tuesday 46°F Partly Sunny 15 to 20 mph NW 9%

Forecast source: National Weather Service (api.weather.gov) for Copper City (47.284, -88.388). Updated through the day.

Growing snapshot for Copper City

Last spring frost
May 17
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b

More local growing data for Copper City: nearby ZIP 49901 weather · frost dates · planting calendar · Michigan frost dates

Nearby towns & communities

All Michigan locations ›

Climate data from the nearest NOAA station, Hancock Houghton Co Ap, Mi (9.7 mi from Copper City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.