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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

WhenTempForecastWindPrecip
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

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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.