Marion, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Olmsted County, Minnesota.
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. Southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 13 mph SW | 31% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 8 to 13 mph W | 53% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 5 to 8 mph NW | 51% |
| Wednesday | 75°F | Mostly Sunny | 6 mph NW | 1% |
| Wednesday Night | 56°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 78°F | Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 9 mph S | 1% |
| Friday | 81°F | Sunny | 9 to 14 mph SW | 12% |
| Friday Night | 64°F | Mostly Clear | 9 to 13 mph SW | 14% |
| Saturday | 82°F | Sunny then Slight Chance Rain Showers | 8 to 12 mph S | 15% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 12 mph SW | 40% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 12 mph SW | 40% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 38% |
| Monday | 81°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph E | 38% |
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 Aug 4, 2026.