Marion, MI Weather & Growing Conditions
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 62. East southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 9 mph ESE | 47% |
| Tonight | 51°F | Chance Rain Showers | 3 to 8 mph ENE | 50% |
| Sunday | 69°F | Slight Chance Rain Showers then Partly Sunny | 6 to 12 mph NE | 24% |
| Sunday Night | 41°F | Mostly Cloudy | 6 to 10 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 8 to 12 mph ENE | 0% |
| Monday Night | 39°F | Mostly Cloudy | 6 to 9 mph ENE | 2% |
| Tuesday | 62°F | Partly Sunny | 7 to 14 mph ENE | 2% |
| Tuesday Night | 42°F | Mostly Cloudy | 7 to 12 mph ENE | 7% |
| Wednesday | 64°F | Partly Sunny then Slight Chance Rain Showers | 9 to 13 mph E | 15% |
| Wednesday Night | 43°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph E | 15% |
| Thursday | 66°F | Mostly Sunny | 5 to 9 mph E | 4% |
| Thursday Night | 43°F | Mostly Cloudy | 2 to 7 mph ENE | 4% |
| Friday | 70°F | Partly Sunny | 2 to 7 mph NE | 4% |
| Friday Night | 42°F | Partly Cloudy | 1 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marion, MI
Last spring frost
May 22
First fall frost
Sep 26
Growing season
125 days
Hardiness zone
5a
Explore more for Marion, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Lake City Exp Farm, Mi (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.