Spring Grove, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Grove, a city in Houston County, Minnesota.
Today
65°F
Rain Showers Likely
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy. High near 65, with temperatures falling to around 63 in the afternoon. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Rain Showers Likely | 5 mph E | 70% |
| Tonight | 55°F | Chance Showers And Thunderstorms | 6 to 9 mph N | 53% |
| Sunday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 15% |
| Sunday Night | 49°F | Mostly Cloudy | 9 mph NE | 9% |
| Monday | 61°F | Slight Chance Rain Showers | 9 mph NE | 19% |
| Monday Night | 44°F | Mostly Cloudy | 7 mph NE | 13% |
| Tuesday | 60°F | Mostly Sunny | 7 mph NE | 8% |
| Tuesday Night | 42°F | Mostly Clear | 3 mph NE | 2% |
| Wednesday | 64°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 46°F | Mostly Clear | 2 mph E | 3% |
| Thursday | 66°F | Mostly Sunny | 3 mph E | 6% |
| Thursday Night | 48°F | Partly Cloudy | 1 mph E | 3% |
| Friday | 69°F | Mostly Sunny | 3 mph E | 5% |
| Friday Night | 50°F | Partly Cloudy | 2 mph SE | 4% |
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 Sep 19, 2026.