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
75°F
Mostly Cloudy then Scattered Showers And Thunderstorms
Scattered rain showers between 2pm and 4pm, then scattered showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Cloudy then Scattered Showers And Thunderstorms | 5 to 8 mph NW | 46% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 5 mph NW | 55% |
| Wednesday | 75°F | Partly Sunny | 3 mph N | 6% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph NW | 0% |
| Thursday | 79°F | Sunny | 3 mph SW | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph S | 0% |
| Friday | 82°F | Sunny | 5 to 8 mph S | 6% |
| Friday Night | 63°F | Mostly Clear | 7 mph SW | 12% |
| Saturday | 83°F | Mostly Sunny | 7 mph SW | 11% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 37% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 8 mph SW | 37% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 mph SE | 38% |
| Monday | 82°F | Chance Rain Showers | 6 mph S | 38% |
| Monday Night | 65°F | Chance Rain Showers | 6 mph NE | 29% |
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 Aug 4, 2026.