Marcellus, MI Weather & Growing Conditions
Tonight
56°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of rain showers between 2am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 47% |
| Saturday | 72°F | Showers And Thunderstorms | 10 mph SE | 95% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph S | 87% |
| Sunday | 69°F | Rain Showers | 5 to 15 mph NE | 81% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 50% |
| Monday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Monday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 26% |
| Tuesday | 64°F | Partly Sunny then Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday Night | 49°F | Chance Rain Showers | 5 to 15 mph NE | 28% |
| Wednesday | 64°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 18% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 11% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 10 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 0 to 10 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marcellus, MI
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
Explore more for Marcellus, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Three Rivers, Mi (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.