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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.

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

WhenTempForecastWindPrecip
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

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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.