Ostrander, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ostrander, a city in Mower County, Minnesota.
This Afternoon
64°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 64, with temperatures falling to around 62 in the afternoon. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Ostrander
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms | 10 to 14 mph W | 88% |
| Tonight | 50°F | Showers And Thunderstorms | 8 to 12 mph N | 95% |
| Wednesday | 51°F | Rain Showers | 10 to 16 mph SW | 88% |
| Wednesday Night | 44°F | Rain Showers Likely | 13 to 16 mph W | 77% |
| Thursday | 48°F | Rain Showers Likely | 15 mph NW | 73% |
| Thursday Night | 36°F | Mostly Cloudy | 14 mph N | 9% |
| Friday | 46°F | Partly Sunny | 9 to 13 mph N | 0% |
| Friday Night | 30°F | Partly Cloudy | 3 mph W | 0% |
| Saturday | 49°F | Mostly Sunny | 3 to 8 mph SW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 8 mph W | 3% |
| Sunday | 54°F | Sunny | 7 to 10 mph W | 7% |
| Sunday Night | 37°F | Mostly Clear | 8 mph SW | 3% |
| Monday | 58°F | Mostly Sunny | 8 to 13 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Ostrander (43.614, -92.426). Updated through the day.
Growing snapshot for Ostrander
Last spring frost
May 6
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
More local growing data for Ostrander: nearby ZIP 55961 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Grand Meadow, Mn (8.2 mi from Ostrander). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.