Rock, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rock, a community in Marquette County, Michigan.
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. East wind around 0 mph.
7-day forecast for Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 0 mph | 11% |
| Saturday | 66°F | Partly Sunny | 5 mph SE | 13% |
| Saturday Night | 45°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Sunday | 65°F | Mostly Sunny | 5 to 15 mph N | 0% |
| Sunday Night | 39°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 36°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Tuesday | 64°F | Patchy Frost then Mostly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph NE | 4% |
| Wednesday | 66°F | Sunny | 0 to 10 mph E | 6% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph E | 3% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Rock (46.069, -87.162). Updated through the day.
Growing snapshot for Rock
Last spring frost
May 13
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
5a
More local growing data for Rock: nearby ZIP 49880 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Big Bay
Gwinn
Harvey
Ishpeming
K. I. Sawyer
Marquette
Michigamme
Negaunee
Palmer
Republic
Trowbridge Park
West Ishpeming
Climate data from the nearest NOAA station, Ki Sawyer Wwtp, Mi (17.1 mi from Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.