Rock, MI Weather & Growing Conditions
Overnight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Partly Cloudy | 5 mph E | 3% |
| Saturday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 18% |
| Saturday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 25% |
| Sunday | 64°F | Mostly Sunny | 5 to 15 mph N | 8% |
| Sunday Night | 38°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 35°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 65°F | Patchy Frost then Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 37°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 66°F | Sunny | 0 to 10 mph E | 1% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock, MI
Last spring frost
May 13
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
5a
Explore more for Rock, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Ki Sawyer Wwtp, Mi (17.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.