Harman US

Ostrander, MN Weather & Growing Conditions

Overnight
49°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. West wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 49°F Rain Showers Likely 10 mph W 69%
Wednesday 52°F Rain Showers Likely 10 to 17 mph W 74%
Wednesday Night 44°F Rain Showers 13 to 16 mph W 90%
Thursday 48°F Chance Rain Showers 17 mph N 49%
Thursday Night 35°F Mostly Cloudy 8 to 13 mph N 14%
Friday 45°F Mostly Sunny 5 to 9 mph N 0%
Friday Night 27°F Mostly Clear 3 mph NW 0%
Saturday 48°F Sunny 3 to 8 mph W 1%
Saturday Night 35°F Mostly Clear 6 to 9 mph W 1%
Sunday 53°F Sunny 9 mph W 3%
Sunday Night 36°F Mostly Clear 8 mph SW 0%
Monday 58°F Mostly Sunny 8 to 13 mph SW 0%
Monday Night 40°F Mostly Clear 8 mph W 0%
Tuesday 57°F Sunny 6 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Ostrander, MN

Last spring frost
May 6
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b

Explore more for Ostrander, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Grand Meadow, Mn (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.