Owatonna, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Owatonna, a city in Steele County, Minnesota.
This Afternoon
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 61. East southeast wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Owatonna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Showers And Thunderstorms | 15 mph ESE | 81% |
| Tonight | 57°F | Patchy Fog | 10 to 15 mph ESE | 93% |
| Saturday | 64°F | Rain Showers Likely then Drizzle Likely | 5 to 10 mph ENE | 69% |
| Saturday Night | 53°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 24% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Sunday Night | 49°F | Mostly Cloudy | 10 mph ENE | 9% |
| Monday | 60°F | Chance Rain Showers | 10 mph ENE | 32% |
| Monday Night | 44°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 32% |
| Tuesday | 60°F | Partly Sunny | 5 to 10 mph E | 6% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 2% |
| Wednesday | 64°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph SE | 8% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph S | 13% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Owatonna (44.092, -93.232). Updated through the day.
Growing snapshot for Owatonna
Last spring frost
May 5
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
4b
More local growing data for Owatonna: nearby ZIP 55060 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Owatonna, Mn (2.6 mi from Owatonna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.