Stewartville, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stewartville, a city in Olmsted County, Minnesota.
Today
73°F
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 69 in the afternoon. Northwest wind 9 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Stewartville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 9 to 13 mph NW | 98% |
| Tonight | 56°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 53% |
| Wednesday | 73°F | Mostly Sunny | 2 to 6 mph NW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 77°F | Sunny | 5 to 9 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 7 to 10 mph S | 1% |
| Friday | 80°F | Sunny | 9 to 14 mph SW | 13% |
| Friday Night | 64°F | Mostly Clear | 13 mph SW | 13% |
| Saturday | 81°F | Sunny | 8 to 13 mph S | 12% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 13 mph SW | 39% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 12 mph SW | 39% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 37% |
| Monday | 80°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph E | 37% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph N | 27% |
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 Aug 4, 2026.