Ostrander, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ostrander, a city in Mower County, Minnesota.
This Afternoon
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Cloudy, with a high near 63. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Ostrander
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Showers And Thunderstorms | 15 mph E | 60% |
| Tonight | 60°F | Showers And Thunderstorms | 10 to 16 mph E | 90% |
| Saturday | 69°F | Showers And Thunderstorms Likely | 10 mph NE | 68% |
| Saturday Night | 55°F | Chance Rain Showers | 10 to 14 mph NE | 53% |
| Sunday | 64°F | Mostly Cloudy | 16 mph NE | 12% |
| Sunday Night | 50°F | Mostly Cloudy | 13 mph E | 9% |
| Monday | 59°F | Chance Rain Showers | 13 mph E | 39% |
| Monday Night | 45°F | Chance Rain Showers | 8 to 12 mph NE | 39% |
| Tuesday | 59°F | Partly Sunny | 9 mph E | 14% |
| Tuesday Night | 44°F | Partly Cloudy | 7 mph E | 4% |
| Wednesday | 62°F | Sunny | 6 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph SE | 5% |
| Thursday | 65°F | Partly Sunny | 5 mph S | 12% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph S | 8% |
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 Sep 19, 2026.