Marion, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind 3 to 12 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 to 12 mph SW | 1% |
| Tonight | 60°F | Partly Cloudy then Chance Rain Showers | 5 to 10 mph SW | 45% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 82% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 7 mph NW | 59% |
| Thursday | 79°F | Rain Showers Likely | 1 to 5 mph E | 59% |
| Thursday Night | 53°F | Chance Rain Showers then Mostly Clear | 0 to 5 mph S | 33% |
| Friday | 83°F | Sunny | 1 to 8 mph SW | 3% |
| Friday Night | 57°F | Mostly Clear | 3 to 7 mph SW | 3% |
| Saturday | 84°F | Sunny | 5 to 12 mph SW | 10% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 6 to 14 mph SW | 36% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 3 to 13 mph WSW | 53% |
| Monday | 81°F | Chance Rain Showers | 3 to 9 mph W | 50% |
| Monday Night | 57°F | Chance Rain Showers | 3 to 9 mph NNW | 45% |
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 Aug 4, 2026.