Stewartville, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stewartville, a city in Olmsted County, Minnesota.
Tonight
55°F
Cloudy
Cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Stewartville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Cloudy | 10 mph NE | 13% |
| Sunday | 66°F | Partly Sunny | 14 mph NE | 5% |
| Sunday Night | 49°F | Mostly Cloudy | 12 mph E | 7% |
| Monday | 59°F | Chance Rain Showers | 12 mph NE | 34% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 29% |
| Tuesday | 59°F | Mostly Sunny | 6 to 9 mph E | 5% |
| Tuesday Night | 43°F | Mostly Clear | 3 to 7 mph E | 2% |
| Wednesday | 63°F | Sunny | 5 to 8 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 6 mph SE | 6% |
| Thursday | 65°F | Slight Chance Rain Showers | 3 to 7 mph SE | 20% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph SE | 15% |
| Friday | 69°F | Partly Sunny | 6 mph SE | 12% |
| Friday Night | 55°F | Partly Cloudy | 5 mph SE | 4% |
| Saturday | 69°F | Slight Chance Rain Showers | 6 to 10 mph SE | 22% |
Forecast source: National Weather Service (api.weather.gov) for Stewartville (43.861, -92.490). Updated through the day.
Growing snapshot for Stewartville
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
159 days
Hardiness zone
4b
More local growing data for Stewartville: nearby ZIP 55976 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rochester Intl Ap, Mn (2.8 mi from Stewartville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.