Marion, MI Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. South southeast wind around 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 10 mph SSE | 11% |
| Wednesday | 67°F | Rain Showers | 14 mph S | 98% |
| Wednesday Night | 43°F | Rain Showers Likely | 8 to 12 mph SW | 70% |
| Thursday | 53°F | Rain Showers | 12 mph SW | 82% |
| Thursday Night | 32°F | Rain Showers Likely | 6 to 10 mph WNW | 68% |
| Friday | 46°F | Rain Showers Likely | 12 mph N | 60% |
| Friday Night | 26°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNW | 48% |
| Saturday | 49°F | Mostly Sunny | 5 to 9 mph NNW | 6% |
| Saturday Night | 25°F | Partly Cloudy | 2 to 6 mph WNW | 4% |
| Sunday | 52°F | Mostly Sunny | 5 to 13 mph W | 14% |
| Sunday Night | 28°F | Partly Cloudy | 3 to 8 mph WNW | 14% |
| Monday | 56°F | Mostly Sunny | 3 to 12 mph WSW | 2% |
| Monday Night | 33°F | Partly Cloudy | 6 to 10 mph WSW | 4% |
| Tuesday | 57°F | Mostly Sunny | 7 to 13 mph WNW | 5% |
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 Nov 4, 2026.