Rock, MI Weather & Growing Conditions
Overnight
57°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain Showers | 5 mph SE | 86% |
| Wednesday | 61°F | Rain Showers | 5 to 10 mph S | 97% |
| Wednesday Night | 47°F | Rain Showers Likely | 5 to 10 mph S | 64% |
| Thursday | 52°F | Rain Showers | 5 to 15 mph W | 98% |
| Thursday Night | 32°F | Rain Showers | 10 to 20 mph N | 97% |
| Friday | 42°F | Slight Chance Rain Showers | 10 to 15 mph N | 24% |
| Friday Night | 27°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 10 mph N | 20% |
| Saturday | 46°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 29°F | Partly Cloudy | 5 mph SW | 5% |
| Sunday | 52°F | Mostly Sunny | 5 to 10 mph NW | 14% |
| Sunday Night | 32°F | Partly Cloudy | 5 to 10 mph W | 13% |
| Monday | 53°F | Partly Sunny | 5 to 10 mph SW | 4% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Tuesday | 52°F | Mostly Sunny | 5 to 10 mph NW | 5% |
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 Nov 4, 2026.