Harman US

Spring Grove, MN Weather & Growing Conditions

Overnight
52°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Slight Chance Rain Showers 9 mph S 22%
Wednesday 55°F Slight Chance Rain Showers then Mostly Cloudy 10 to 14 mph SW 21%
Wednesday Night 45°F Rain Showers Likely 12 to 15 mph W 70%
Thursday 51°F Chance Rain Showers 13 to 16 mph N 40%
Thursday Night 36°F Mostly Cloudy 7 to 13 mph N 4%
Friday 47°F Mostly Sunny 2 to 7 mph N 0%
Friday Night 28°F Mostly Clear 1 mph NW 0%
Saturday 50°F Sunny 3 mph W 1%
Saturday Night 35°F Mostly Clear 2 to 6 mph W 1%
Sunday 55°F Sunny 7 mph W 3%
Sunday Night 36°F Mostly Clear 5 mph SW 0%
Monday 60°F Mostly Sunny 5 to 9 mph SW 0%
Monday Night 40°F Mostly Clear 7 mph W 0%
Tuesday 58°F Sunny 5 mph NW 0%

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

Growing snapshot for Spring Grove, MN

Last spring frost
May 10
First fall frost
Sep 28
Growing season
140 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Mabel, Mn (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.