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
59°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before midnight, then showers and thunderstorms likely between midnight and 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. Southeast wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Showers And Thunderstorms Likely | 9 to 15 mph SE | 92% |
| Saturday | 69°F | Showers And Thunderstorms | 6 to 9 mph E | 86% |
| Saturday Night | 56°F | Showers And Thunderstorms Likely | 7 to 10 mph N | 69% |
| Sunday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 17% |
| Sunday Night | 50°F | Mostly Cloudy | 9 mph NE | 8% |
| Monday | 61°F | Chance Rain Showers | 9 mph NE | 37% |
| Monday Night | 45°F | Chance Rain Showers | 7 mph NE | 37% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 7 mph NE | 24% |
| Tuesday Night | 44°F | Partly Cloudy | 3 mph NE | 4% |
| Wednesday | 64°F | Sunny | 3 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SE | 4% |
| Thursday | 67°F | Partly Sunny | 2 mph SE | 10% |
| Thursday Night | 51°F | Partly Cloudy | 1 mph S | 7% |
| Friday | 68°F | Mostly Sunny | 3 mph E | 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.