Spring Grove, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Grove, a city in Houston County, Minnesota.
Overnight
52°F
Chance Rain Showers
A chance of rain showers after 3am. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Chance Rain Showers | 8 mph S | 37% |
| Wednesday | 55°F | Rain Showers Likely | 8 to 14 mph SW | 73% |
| Wednesday Night | 45°F | Rain Showers | 10 to 14 mph W | 77% |
| Thursday | 50°F | Chance Rain Showers | 13 mph NW | 48% |
| Thursday Night | 36°F | Mostly Cloudy | 7 to 13 mph N | 5% |
| Friday | 46°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 1 mph NW | 0% |
| Saturday | 49°F | Sunny | 3 mph W | 1% |
| Saturday Night | 34°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 | 59°F | Mostly Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 58°F | Sunny | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Spring Grove (43.561, -91.637). Updated through the day.
Growing snapshot for Spring Grove
Last spring frost
May 10
First fall frost
Sep 28
Growing season
140 days
Hardiness zone
5a
More local growing data for Spring Grove: nearby ZIP 55974 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mabel, Mn (6.7 mi from Spring Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.