Ishpeming, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ishpeming, a city in Marquette County, Michigan.
Tonight
42°F
Mostly Cloudy
Mostly cloudy, with a low around 42. Southeast wind 0 to 5 mph.
7-day forecast for Ishpeming
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Cloudy | 0 to 5 mph SE | 7% |
| Saturday | 64°F | Mostly Sunny | 0 to 5 mph SE | 9% |
| Saturday Night | 45°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Sunday | 59°F | Partly Sunny | 5 to 15 mph N | 3% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 57°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Tuesday | 61°F | Patchy Frost then Sunny | 0 to 10 mph NE | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 10 mph E | 3% |
| Wednesday | 65°F | Sunny | 0 to 10 mph E | 4% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 5 mph S | 3% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Ishpeming (46.470, -87.675). Updated through the day.
Growing snapshot for Ishpeming
Last spring frost
May 26
First fall frost
Sep 25
Growing season
119 days
Hardiness zone
4b
More local growing data for Ishpeming: nearby ZIP 49866 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Big Bay
Gwinn
Harvey
K. I. Sawyer
Marquette
Michigamme
Negaunee
Palmer
Republic
Rock
Trowbridge Park
West Ishpeming
Climate data from the nearest NOAA station, Ishpeming Wwtp, Mi (7.2 mi from Ishpeming). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.