Marion, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Olmsted County, Minnesota.
Today
61°F
Rain Showers Likely
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 61. Northeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Rain Showers Likely | 9 mph NE | 66% |
| Tonight | 55°F | Slight Chance Rain Showers then Cloudy | 12 mph NE | 24% |
| Sunday | 66°F | Mostly Cloudy | 14 mph NE | 6% |
| Sunday Night | 49°F | Mostly Cloudy | 12 mph E | 5% |
| Monday | 61°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Monday Night | 43°F | Mostly Cloudy | 6 to 9 mph E | 10% |
| Tuesday | 61°F | Mostly Sunny | 6 to 9 mph E | 5% |
| Tuesday Night | 42°F | Mostly Clear | 3 to 7 mph E | 1% |
| Wednesday | 64°F | Sunny | 7 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph SE | 6% |
| Thursday | 65°F | Mostly Sunny | 6 mph SE | 9% |
| Thursday Night | 49°F | Partly Cloudy | 3 mph SE | 4% |
| Friday | 68°F | Mostly Sunny | 6 mph SE | 4% |
| Friday Night | 51°F | Partly Cloudy | 6 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Marion (43.943, -92.353). Updated through the day.
Growing snapshot for Marion
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
159 days
Hardiness zone
4b
More local growing data for Marion: nearby ZIP 55904 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rochester Intl Ap, Mn (5.6 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.