Spring Grove, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Grove, a city in Houston County, Minnesota.
Tonight
52°F
Rain Showers
Rain showers. Cloudy. Low around 52, with temperatures rising to around 55 overnight. Southeast wind 8 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 8 to 12 mph SE | 92% |
| Wednesday | 55°F | Rain Showers | 8 to 14 mph SW | 77% |
| Wednesday Night | 45°F | Rain Showers | 12 to 15 mph W | 81% |
| Thursday | 49°F | Rain Showers | 12 mph NW | 76% |
| Thursday Night | 38°F | Mostly Cloudy | 8 to 12 mph N | 10% |
| Friday | 47°F | Partly Sunny | 2 to 8 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 1 mph NW | 1% |
| Saturday | 52°F | Mostly Sunny | 3 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 2 to 6 mph W | 6% |
| Sunday | 57°F | Sunny | 7 mph W | 11% |
| Sunday Night | 37°F | Mostly Clear | 6 mph SW | 4% |
| Monday | 59°F | Mostly Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 1% |
| Tuesday | 57°F | Sunny | 6 mph W | 1% |
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.